{"id":46917,"date":"2021-11-23T23:23:07","date_gmt":"2021-11-23T22:23:07","guid":{"rendered":"https:\/\/www.fotolab.cz\/blog\/?p=46917"},"modified":"2022-06-03T09:13:56","modified_gmt":"2022-06-03T07:13:56","slug":"sony-a7-mark-iv-recenze-mnohem-vice-nez-jen-zaklad","status":"publish","type":"post","link":"https:\/\/www.fotolab.cz\/blog\/sony-a7-mark-iv-recenze-mnohem-vice-nez-jen-zaklad\/","title":{"rendered":"Sony A7 Mark IV: RECENZE \u2013 Mnohem v\u00edc ne\u017e z\u00e1klad"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69d97602139fa\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69d97602139fa\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fotolab.cz\/blog\/sony-a7-mark-iv-recenze-mnohem-vice-nez-jen-zaklad\/#Sony_A7_Mark_IV_Technicke_specifikace\" title=\"Sony A7 Mark IV Technick\u00e9 specifikace\">Sony A7 Mark IV Technick\u00e9 specifikace<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fotolab.cz\/blog\/sony-a7-mark-iv-recenze-mnohem-vice-nez-jen-zaklad\/#Konstrukce_a_ovladani\" title=\"Konstrukce a&nbsp;ovl\u00e1d\u00e1n\u00ed\">Konstrukce a&nbsp;ovl\u00e1d\u00e1n\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fotolab.cz\/blog\/sony-a7-mark-iv-recenze-mnohem-vice-nez-jen-zaklad\/#Funkce_a_parametry\" title=\"Funkce a&nbsp;parametry\">Funkce a&nbsp;parametry<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fotolab.cz\/blog\/sony-a7-mark-iv-recenze-mnohem-vice-nez-jen-zaklad\/#Sony_A7_Mark_IV_v_praxi\" title=\"Sony A7 Mark IV v&nbsp;praxi\">Sony A7 Mark IV v&nbsp;praxi<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fotolab.cz\/blog\/sony-a7-mark-iv-recenze-mnohem-vice-nez-jen-zaklad\/#Automaticke_ostreni\" title=\"Automatick\u00e9 ost\u0159en\u00ed\">Automatick\u00e9 ost\u0159en\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fotolab.cz\/blog\/sony-a7-mark-iv-recenze-mnohem-vice-nez-jen-zaklad\/#Seriove_snimani_a_vyrovnavaci_pamet\" title=\"S\u00e9riov\u00e9 sn\u00edm\u00e1n\u00ed a&nbsp;vyrovn\u00e1vac\u00ed pam\u011b\u0165\">S\u00e9riov\u00e9 sn\u00edm\u00e1n\u00ed a&nbsp;vyrovn\u00e1vac\u00ed pam\u011b\u0165<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fotolab.cz\/blog\/sony-a7-mark-iv-recenze-mnohem-vice-nez-jen-zaklad\/#Nataceni_videi\" title=\"Nat\u00e1\u010den\u00ed vide\u00ed\">Nat\u00e1\u010den\u00ed vide\u00ed<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fotolab.cz\/blog\/sony-a7-mark-iv-recenze-mnohem-vice-nez-jen-zaklad\/#Zaver_a_hodnoceni\" title=\"Z\u00e1v\u011br a&nbsp;hodnocen\u00ed\">Z\u00e1v\u011br a&nbsp;hodnocen\u00ed<\/a><\/li><\/ul><\/nav><\/div>\n<p><strong>Sony A7 Mark IV je netrp\u011bliv\u011b o\u010dek\u00e1van\u00fd n\u00e1stupce dnes ji\u017e legend\u00e1rn\u00edho modelu Sony A7 Mark III. Ten v&nbsp;dob\u011b uveden\u00ed dok\u00e1zal nab\u00eddnout nekompromisn\u00ed v\u00fdkon za skv\u011bl\u00e9 pen\u00edze. P\u0159ibl\u00ed\u017eil tak full-frame fotografii a&nbsp;profesion\u00e1ln\u00ed video \u0161irok\u00e9 \u0159ad\u011b fotograf\u016f. Povede se novince nav\u00e1zat na \u00fasp\u011bch jeho p\u0159edch\u016fdce?<\/strong><!--more--><\/p>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-46920\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-A7-IV-black.jpg\" alt=\"Sony A7IV recenze\" width=\"600\" height=\"419\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-A7-IV-black.jpg 1200w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-A7-IV-black-300x210.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-A7-IV-black-768x536.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-A7-IV-black-50x35.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-A7-IV-black-370x258.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-A7-IV-black-270x189.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-A7-IV-black-740x517.jpg 740w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Sony_A7_Mark_IV_Technicke_specifikace\"><\/span>Sony A7 Mark IV Technick\u00e9 specifikace<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Typ fotoapar\u00e1tu:<\/strong> Mirrorless<br \/>\n<strong>Bajonet:<\/strong> Sony E<br \/>\n<strong>Obrazov\u00fd sn\u00edma\u010d:<\/strong> Full-frame BSI CMOS<br \/>\n<strong>Procesor:<\/strong> BIONZ XR<br \/>\n<strong>Efektivn\u00ed rozli\u0161en\u00ed:<\/strong> 33 Mpix<br \/>\n<strong>Sloty pro pam\u011b\u0165ovou kartu:<\/strong> 2 sloty, 1x Cfexpress A\/SD UHS-II a&nbsp;1x SD UHS-II<br \/>\n<strong>Hled\u00e1\u010dek:<\/strong> OLED, 3,69 MPix, 60fps\/120fps, zv\u011bt\u0161en\u00ed 0,78x, pokryt\u00ed 100%<br \/>\n<strong>Typy z\u00e1v\u011brky:<\/strong> Mechanick\u00e1, Elektronick\u00e1 prvn\u00ed lamela, elektronick\u00e1 z\u00e1v\u011brka<br \/>\n<strong>Synchroniza\u010dn\u00ed \u010das pro blesk:<\/strong> 1\/250 s<br \/>\n<strong>Sekven\u010dn\u00ed sn\u00edman\u00ed:<\/strong> 6 sn.\/s bez komprese, 10 sn.\/s JPEG\/HEIF\/komprimovan\u00fd RAW<br \/>\n<strong>Rozsah m\u011b\u0159en\u00ed expozice a&nbsp;automatick\u00e9ho ost\u0159en\u00ed:<\/strong> od -4EV<br \/>\n<strong>Mno\u017estv\u00ed AF bod\u016f:<\/strong> 798<br \/>\n<strong>Citlivost ISO:<\/strong> 100 a\u017e 51200 nativn\u011b<br \/>\n<strong>Stabilizace:<\/strong> Stabilizovan\u00fd sn\u00edma\u010d \u2013 a\u017e 5,5 EV dle CIPA<br \/>\n<strong>LCD monitor:<\/strong> V\u00fdklopn\u00fd, oto\u010dn\u00fd, dotykov\u00fd, cca 1,04M bod\u016f<br \/>\n<strong>Nat\u00e1\u010den\u00ed vide\u00ed<\/strong>: 4K 60p v&nbsp;Super35 crop, 4K 30p (7K oversampling), 10-bit S-Log3&nbsp;4:2:2 intern\u011b<br \/>\n<strong>Konektivita:<\/strong> USB-C, MicroUSB, HDMI (standardn\u00ed, velk\u00e9), mic jack, sluch\u00e1tkov\u00fd jack, Bluetooth, Wi-Fi 2,4GHz + 5GHz<br \/>\n<strong>V\u00fddr\u017e baterie dle CIPA:<\/strong> 580 sn.<br \/>\n<strong>Materi\u00e1l t\u011bla:<\/strong> Ho\u0159\u010d\u00edk, ut\u011bsn\u011bn\u00ed proti prachu a&nbsp;vod\u011b<br \/>\n<strong>Rozm\u011bry (\u0160\u00d7V\u00d7H):<\/strong> 131 x&nbsp;96 x&nbsp;80 mm<br \/>\n<strong>Hmotnost:<\/strong> Zm\u011b\u0159eno \u2013 665 g&nbsp;(s&nbsp;bateri\u00ed, 2x SD karta)<br \/>\n<strong>Cena: <a href=\"https:\/\/www.fotolab.cz\/produkt\/sony-a7-mark-iv-telo\" target=\"_blank\" rel=\"noopener\">Aktu\u00e1ln\u00ed cenu najdete v&nbsp;e-shopu Fotolab.cz<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Konstrukce_a_ovladani\"><\/span>Konstrukce a&nbsp;ovl\u00e1d\u00e1n\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ut\u011bsn\u011bn\u00e9 ho\u0159\u010d\u00edkov\u00e9 t\u011blo Sony A7 Mark IV vych\u00e1z\u00ed z&nbsp;model\u016f <a href=\"https:\/\/www.fotolab.cz\/produkt\/sony-alpha-a7s-iii-telo\" target=\"_blank\" rel=\"noopener\"><strong>Sony A7S Mark III<\/strong><\/a> a&nbsp;<a href=\"https:\/\/www.fotolab.cz\/produkt\/sony-alpha-A1-telo\" target=\"_blank\" rel=\"noopener\"><strong>Sony Alpha A1<\/strong><\/a>. <strong>Je perfektn\u011b zpracovan\u00e9 a&nbsp;p\u016fsob\u00ed byteln\u011b.<\/strong> Grip se zv\u011bt\u0161il, ale na ten, kter\u00fd pou\u017e\u00edv\u00e1 nap\u0159\u00edklad Canon R5 nebo R6 st\u00e1le nem\u00e1. Jeho tvar i&nbsp;velikost jsou naprosto v&nbsp;po\u0159\u00e1dku, ale prostor mezi gripem a&nbsp;bajoneten je o&nbsp;dva milimetry men\u0161\u00ed, ne\u017e bych pot\u0159eboval. Fotoapar\u00e1t jsem testoval s&nbsp;objektivy <a href=\"https:\/\/www.fotolab.cz\/produkt\/sony-fe-12-24mm-f-2-8-gm\" target=\"_blank\" rel=\"noopener\"><strong>Sony FE 12-24 mm f\/2,8 GM<\/strong><\/a>, <a href=\"https:\/\/www.fotolab.cz\/produkt\/sony-fe-24-70mm-f-28-gm\" target=\"_blank\" rel=\"noopener\"><strong>Sony FE 24-70 mm f\/2,8 GM<\/strong><\/a> a&nbsp;<a href=\"https:\/\/www.fotolab.cz\/produkt\/sony-gm-fe-35-mm-f-1-4\" target=\"_blank\" rel=\"noopener\"><strong>Sony FE 35 mm f\/1,4 GM<\/strong><\/a>. S&nbsp;pevn\u00fdm 35 mm objektivem nen\u00ed probl\u00e9m, ale o&nbsp;prvn\u00ed dva zmi\u0148ovan\u00e9 se mi op\u00edr\u00e1 kloub na prstech a&nbsp;u\u017e po hodin\u011b focen\u00ed to bylo zn\u00e1t. Na druhou stranu m\u00e1m dost velk\u00e9 ruce a&nbsp;nejlep\u0161\u00ed bude si p\u0159\u00edstroj osobn\u011b vyzkou\u0161et.<\/p>\n<figure id=\"attachment_46965\" aria-describedby=\"caption-attachment-46965\" style=\"width: 800px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a7iv-back.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46965\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a7iv-back.jpg\" alt=\"Sony A7 IV tla\u010d\u00edtka\" width=\"800\" height=\"554\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a7iv-back.jpg 1280w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a7iv-back-300x208.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a7iv-back-768x532.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a7iv-back-50x35.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a7iv-back-370x256.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a7iv-back-435x300.jpg 435w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a7iv-back-270x187.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a7iv-back-740x513.jpg 740w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-46965\" class=\"wp-caption-text\">Tla\u010d\u00edtka jsou velk\u00e1 a&nbsp;maj\u00ed jist\u00fd stisk. Bav\u00ed m\u011b i&nbsp;v\u011bt\u0161\u00ed AF-ON. Ti, co &#8222;ost\u0159\u00ed na palec&#8220; budou spokojen\u00ed.<\/figcaption><\/figure>\n<p>Jinak nem\u00e1m k&nbsp;ergonomii a&nbsp;zpracov\u00e1n\u00ed jedinou v\u00fdtku. <strong>Ovl\u00e1dac\u00ed prvky Sony A7 Mark IV jsou rozm\u00edst\u011bn\u00e9 logicky, maj\u00ed dobrou velikost, pot\u011b\u0161\u00ed vylep\u0161en\u00fd joystick<\/strong>, kter\u00fd je radost pou\u017e\u00edvat. P\u0159ekvap\u00ed i&nbsp;celkem <strong>\u010dtve\u0159ice kole\u010dek<\/strong>. Kole\u010dko korekce expozice se toti\u017e u&nbsp;Sony A7 Mark IV zm\u011bnilo na univerz\u00e1ln\u00ed oto\u010dn\u00fd voli\u010d, kter\u00fd ji\u017e nem\u00e1 ozna\u010den\u00e9 hodnoty EV. M\u016f\u017eete na n\u011bj nastavit n\u011bkterou z&nbsp;deseti funkc\u00ed. Celkov\u00e9 mo\u017enosti p\u0159izp\u016fsoben\u00ed jsou bohat\u00e9. Nejenom, \u017ee jsou odd\u011blen\u00e1 nastaven\u00ed pro re\u017eim nat\u00e1\u010den\u00ed vide\u00ed a&nbsp;pro fotografii, ale m\u016f\u017eete zvolit odli\u0161n\u00e1 nastaven\u00ed i&nbsp;pro jednotliv\u00e9 expozi\u010dn\u00ed re\u017eimy, kdy se m\u016f\u017ee fotoapar\u00e1t chovat jinak v&nbsp;manu\u00e1ln\u00edm re\u017eimu (M) a&nbsp;jinak nap\u0159\u00edklad v&nbsp;priorit\u011b clony (A).&nbsp;<\/p>\n<figure id=\"attachment_46964\" aria-describedby=\"caption-attachment-46964\" style=\"width: 2048px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/A7III-vs-A7IV.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46964 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/A7III-vs-A7IV.jpg\" alt=\"Sony A7III vs IV\" width=\"2048\" height=\"659\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/A7III-vs-A7IV.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/A7III-vs-A7IV-300x97.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/A7III-vs-A7IV-768x247.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/A7III-vs-A7IV-1536x494.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/A7III-vs-A7IV-50x16.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/A7III-vs-A7IV-370x119.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/A7III-vs-A7IV-270x87.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/A7III-vs-A7IV-740x238.jpg 740w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><\/a><figcaption id=\"caption-attachment-46964\" class=\"wp-caption-text\">Sony A7III vlevo \u2013 t\u011blo A7IV je v\u011bt\u0161\u00ed, jin\u00e9 je kole\u010dko pro korekci expozice a&nbsp;voli\u010d re\u017eim\u016f. Pozici si vym\u011bnilo C1 a&nbsp;RECORD.<\/figcaption><\/figure>\n<p>Na lev\u00e9 stran\u011b p\u0159\u00edstroje najdete konektorovou v\u00fdbavu, kde Sony nasadilo <strong>HDMI v&nbsp;pln\u00e9 velikosti<\/strong>, <strong>p\u0159ipojen\u00ed mikrofonu a&nbsp;sluch\u00e1tek<\/strong> je pak samoz\u0159ejmost\u00ed. Pro nap\u00e1jen\u00ed a&nbsp;komunikaci m\u016f\u017eete vyu\u017e\u00edt jak modern\u00ed <strong>USB-C PD<\/strong>, tak <strong>MicroUSB<\/strong>, kter\u00e9 zaru\u010duje kompatibilitu se star\u0161\u00edm p\u0159\u00edslu\u0161enstv\u00edm Sony. Zpracov\u00e1n\u00ed dv\u00ed\u0159ek konektor\u016f je absolutn\u011b bez v\u00fdhrad, ostatn\u00ed v\u00fdrobci by se u&nbsp;Sony mohli u\u010dit. MicroUSB najde vyu\u017eit\u00ed i&nbsp;pro tethering a&nbsp;tak\u00e9 pro propojen\u00ed s&nbsp;PC, kdy m\u016f\u017ee Sony A7 IV fungovat jako webkamera, a&nbsp;to bez instalace dal\u0161\u00edho software.<\/p>\n<figure id=\"attachment_46919\" aria-describedby=\"caption-attachment-46919\" style=\"width: 800px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0097_002.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46919\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0097_002.jpg\" alt=\"Sony A7 Mark IV HDMI\" width=\"800\" height=\"532\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0097_002.jpg 1800w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0097_002-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0097_002-768x511.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0097_002-1536x1022.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0097_002-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0097_002-370x246.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0097_002-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0097_002-740x493.jpg 740w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-46919\" class=\"wp-caption-text\">Sony osadilo fotoapar\u00e1t HDMI konektorem pln\u00e9 velikosti. Dv\u00ed\u0159ka konektor\u016f jsou perfektn\u00ed.<\/figcaption><\/figure>\n<p>Prav\u00fd bok p\u0159\u00edstroje obsadila dv\u00ed\u0159ka s&nbsp;pojistkou, pod kter\u00fdmi najdete <strong>dva sloty na pam\u011b\u0165ov\u00e9 karty<\/strong>. Prvn\u00ed je kombinovan\u00fd pro SD UHS-II a&nbsp;CFExpress A&nbsp;(pozor, CFexpress A&nbsp;m\u00e1 jin\u00fd rozm\u011br ne\u017e CFexpress B) a&nbsp;druh\u00fd slot si porad\u00ed s&nbsp;SD UHS-II kartami. Volbu slot\u016f rozhodn\u011b oce\u0148uji. Pohled na ceny karet CFexpress A&nbsp;\u00fasm\u011bv nevykouzl\u00ed a&nbsp;standard SD UHS-II si porad\u00ed i&nbsp;s&nbsp;nat\u00e1\u010den\u00edm vide\u00ed ve vysok\u00e9 kvalit\u011b.<\/p>\n<p>Na spodn\u00ed stran\u011b fotoapar\u00e1tu najdete pevn\u00e1 dv\u00ed\u0159ka, pod kter\u00fdmi se ukr\u00fdv\u00e1 <strong>baterie NP-FZ100 s&nbsp;obrovskou v\u00fddr\u017e\u00ed<\/strong> a&nbsp;tak\u00e9 kontakty pro p\u0159ipojen\u00ed <a href=\"https:\/\/www.fotolab.cz\/produkty\/sony-vg-c4em-grip-pro-alpha-a7r-iv\" target=\"_blank\" rel=\"noopener\"><strong>gripu Sony VG-C4EM<\/strong><\/a>.<\/p>\n<figure id=\"attachment_46921\" aria-describedby=\"caption-attachment-46921\" style=\"width: 800px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0035.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46921\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0035.jpg\" alt=\"Sony A7 Peak Design\" width=\"800\" height=\"532\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0035.jpg 1790w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0035-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0035-768x511.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0035-1536x1022.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0035-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0035-370x246.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0035-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0035-740x492.jpg 740w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-46921\" class=\"wp-caption-text\">Voli\u010d korekce expozice se zm\u011bnil na univerz\u00e1ln\u00ed programovateln\u00fd voli\u010d. Ty jsou tak na p\u0159\u00edstroji celkem \u010dty\u0159i.<\/figcaption><\/figure>\n<p>Velmi v\u00edtanou novinkou je nasazen\u00ed <strong>rychl\u00e9ho p\u0159ep\u00edna\u010de mezi focen\u00edm, nat\u00e1\u010den\u00edm vide\u00ed a&nbsp;re\u017eimem S&amp;Q&nbsp;<\/strong>(slow and quick \u2013 slowmotion a&nbsp;timelapse). Tento p\u0159ep\u00edna\u010d s&nbsp;malou pojistkou v&nbsp;p\u0159edn\u00ed \u010d\u00e1sti dokonce chyb\u00ed i&nbsp;na video-orientovan\u00e9mu Sony A7S Mark III. P\u0159epnut\u00edm se zm\u011bn\u00ed \u010d\u00e1ste\u010dn\u011b i&nbsp;struktura menu a&nbsp;nastaven\u00ed spojen\u00e1 s&nbsp;dan\u00fdm re\u017eimem.<\/p>\n<p>Jako posledn\u00ed konstruk\u010dn\u00ed novinky si nejde nev\u0161imnout <strong>pln\u011b oto\u010dn\u00e9ho a&nbsp;v\u00fdklopn\u00e9ho displeje<\/strong>. Ze strany Sony je to logick\u00fd krok a&nbsp;fotoapar\u00e1t je tak pro filma\u0159e je\u0161t\u011b atraktivn\u011bj\u0161\u00ed, ne\u017e tomu bylo u&nbsp;p\u0159edchoz\u00ed generace. Zamrz\u00ed ov\u0161em sp\u00ed\u0161e ni\u017e\u0161\u00ed kontrast, mal\u00e9 rozli\u0161en\u00ed a&nbsp;tak\u00e9 jeho n\u00edzk\u00e1 obnovovac\u00ed frekvence \u2013 obraz p\u016fsob\u00ed oproti hled\u00e1\u010dku lehce trhan\u011b. Barvy jsou ale p\u0159esn\u00e9, lep\u0161\u00ed ne\u017e u&nbsp;Sony A7 III. I&nbsp;tak se nemohu ubr\u00e1nit dojmu, \u017ee na zadn\u00edm LCD Sony op\u011bt zbyte\u010dn\u011b \u0161et\u0159ilo.<\/p>\n<p>Situaci zachra\u0148uje <strong>hled\u00e1\u010dek<\/strong>, kter\u00fd je oproti p\u0159edchoz\u00ed generaci <strong>v\u00fdrazn\u011b lep\u0161\u00ed<\/strong>. Nab\u00eddne dobr\u00e9 rozli\u0161en\u00ed 3,69MPix, vysokou obnovovac\u00ed frekvenci, rychlou odezvu o\u010dn\u00edho senzoru, velk\u00e9 zv\u011bt\u0161en\u00ed a&nbsp;snesiteln\u00fd blackout. B\u011bhem sekven\u010dn\u00edho sn\u00edm\u00e1n\u00ed se kvalita zobrazen\u00ed hled\u00e1\u010dku m\u011bn\u00ed pouze v&nbsp;p\u0159\u00edpad\u011b nastaven\u00e9 obnovovac\u00ed frekvence na 120 fps, nen\u00ed to ale nic, co by ru\u0161ilo nebo omezovalo p\u0159i pou\u017eit\u00ed.<\/p>\n<figure id=\"attachment_46926\" aria-describedby=\"caption-attachment-46926\" style=\"width: 800px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0090_001.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46926\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0090_001.jpg\" alt=\"Sony A7 IV grip\" width=\"800\" height=\"533\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0090_001.jpg 1537w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0090_001-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0090_001-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0090_001-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0090_001-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0090_001-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/MCH_0090_001-740x493.jpg 740w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-46926\" class=\"wp-caption-text\">Grip je pohodln\u00fd, ale m\u00edsta na prsty by mohlo b\u00fdt p\u0159eci jen v\u00edce.<\/figcaption><\/figure>\n<p>V Sony A7 Mark IV najdete <strong>nov\u011b strukturovan\u00e9 vertik\u00e1ln\u00ed menu<\/strong>. To m\u00e1 logick\u00e9 rozm\u00edst\u011bn\u00ed v\u0161ech nastaven\u00ed a&nbsp;zorientovat se v&nbsp;n\u011bm t\u00e9m\u011b\u0159 ned\u011bl\u00e1 probl\u00e9m. Schv\u00e1ln\u011b p\u00ed\u0161u t\u00e9m\u011b\u0159. \u010cesk\u00fd p\u0159eklad op\u011bt trp\u00ed klasick\u00fdm neduhem p\u0159\u00edstroj\u016f Sony \u2013 zbyte\u010dn\u00fdm zkracov\u00e1n\u00ed n\u00e1zv\u016f. Menu je tak m\u00edsty protkan\u00e9 polo\u017ekami jako je \u201eP\u0159. obl. AF v\u00fd.\/\u0161\u00ed.\u201c. To se d\u00e1 pochopit s&nbsp;ohledem na omezen\u00e9 rozm\u011bry displeje. Co u\u017e ale nepochop\u00edm, je to, \u017ee po rozkliknut\u00ed nastaven\u00ed z\u016fstane n\u00e1zev funkce ve sv\u00e9 zkr\u00e1cen\u00e9 podob\u011b a&nbsp;vy tak mus\u00edte m\u00edsty h\u00e1dat, co \u017ee to vlastn\u011b nastavujete. \u010c\u00e1ste\u010dn\u011b pom\u016f\u017ee p\u0159epnut\u00ed fotoapar\u00e1tu do angli\u010dtiny, ale i&nbsp;ta nez\u016fstala o&nbsp;zkracov\u00e1n\u00ed ochuzena.<\/p>\n<div class=\"row-fluid\">\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_46923\" aria-describedby=\"caption-attachment-46923\" style=\"width: 400px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0033.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46923\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0033.jpg\" alt=\"Sony A7 IV menu\" width=\"400\" height=\"266\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0033.jpg 1790w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0033-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0033-768x511.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0033-1536x1022.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0033-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0033-370x246.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0033-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0033-740x492.jpg 740w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><figcaption id=\"caption-attachment-46923\" class=\"wp-caption-text\">\u010cesk\u00e9 p\u0159eklady v&nbsp;menu jsou ob\u010das m\u00e9n\u011b srozumiteln\u00e9.<\/figcaption><\/figure>\n<\/div>\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_46924\" aria-describedby=\"caption-attachment-46924\" style=\"width: 400px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0034.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46924\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0034.jpg\" alt=\"Sony A7 \u010de\u0161tina\" width=\"400\" height=\"266\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0034.jpg 1790w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0034-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0034-768x511.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0034-1536x1022.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0034-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0034-370x246.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0034-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0034-740x492.jpg 740w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><figcaption id=\"caption-attachment-46924\" class=\"wp-caption-text\">A&nbsp;zkratk\u00e1m se nevyhnete ani po rozbalen\u00ed nab\u00eddky.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Funkce_a_parametry\"><\/span>Funkce a&nbsp;parametry<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Jako hlavn\u00ed tah\u00e1k Sony A7 Mark IV vn\u00edm\u00e1m hlavn\u011b <strong>nov\u00fd stabilizovan\u00fd sn\u00edma\u010d se 33MPix<\/strong> a&nbsp;velk\u00fdm <strong>dynamick\u00fdm rozsahem a\u017e 15EV<\/strong>. Sn\u00edma\u010d je perfektn\u00ed, jeho stabilizace u\u017e o&nbsp;n\u011bco m\u00e9n\u011b, ale nebudu p\u0159edb\u00edhat. Soubory RAW maj\u00ed opravdu obrovsk\u00fd dynamick\u00fd rozsah a&nbsp;je radost s&nbsp;nimi pracovat. Skok z&nbsp;24MPix na 33MPix je znateln\u00fd a&nbsp;je to podle m\u011b ide\u00e1ln\u00ed hodnota s&nbsp;ohledem na velikost soubor\u016f, n\u00e1rok\u016f na v\u00fdpo\u010detn\u00ed v\u00fdkon a&nbsp;mo\u017enosti d\u011blat opravdu velk\u00e9 tisky nebo v\u00fd\u0159ezy. <strong>V \u010dem senzor vylo\u017een\u011b exceluje je \u0161um na vysok\u00e9 citlivosti<\/strong>. Tady se Sony vyt\u00e1hlo a&nbsp;j\u00e1 nem\u011bl probl\u00e9m pou\u017e\u00edvat ISO12800 jako kdyby to bylo ISO6400 na p\u0159edchoz\u00ed generaci Sony A7. S&nbsp;ohledem na nav\u00fd\u0161en\u00ed rozli\u0161en\u00ed je to par\u00e1dn\u00ed v\u00fdsledek.<\/p>\n<div class=\"row-fluid\">\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_46929\" aria-describedby=\"caption-attachment-46929\" style=\"width: 1900px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO100.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46929 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO100.jpg\" alt=\"\" width=\"1900\" height=\"1336\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO100.jpg 1900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO100-300x211.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO100-768x540.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO100-1536x1080.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO100-50x35.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO100-370x260.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO100-270x190.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO100-740x520.jpg 740w\" sizes=\"(max-width: 1900px) 100vw, 1900px\" \/><\/a><figcaption id=\"caption-attachment-46929\" class=\"wp-caption-text\">ISO100<\/figcaption><\/figure>\n<\/div>\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_46932\" aria-describedby=\"caption-attachment-46932\" style=\"width: 1900px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO800.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46932 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO800.jpg\" alt=\"Sony A7IV vysok\u00e9 ISO\" width=\"1900\" height=\"1336\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO800.jpg 1900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO800-300x211.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO800-768x540.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO800-1536x1080.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO800-50x35.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO800-370x260.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO800-270x190.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO800-740x520.jpg 740w\" sizes=\"(max-width: 1900px) 100vw, 1900px\" \/><\/a><figcaption id=\"caption-attachment-46932\" class=\"wp-caption-text\">ISO800<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<div class=\"row-fluid\">\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_46933\" aria-describedby=\"caption-attachment-46933\" style=\"width: 1900px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO1600.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46933 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO1600.jpg\" alt=\"Sony A7 IV vysok\u00e9 ISO\" width=\"1900\" height=\"1336\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO1600.jpg 1900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO1600-300x211.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO1600-768x540.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO1600-1536x1080.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO1600-50x35.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO1600-370x260.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO1600-270x190.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO1600-740x520.jpg 740w\" sizes=\"(max-width: 1900px) 100vw, 1900px\" \/><\/a><figcaption id=\"caption-attachment-46933\" class=\"wp-caption-text\">ISO1600<\/figcaption><\/figure>\n<\/div>\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_46934\" aria-describedby=\"caption-attachment-46934\" style=\"width: 1900px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO3200.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46934 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO3200.jpg\" alt=\"Sony A7 IV vysok\u00e9 ISO\" width=\"1900\" height=\"1336\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO3200.jpg 1900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO3200-300x211.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO3200-768x540.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO3200-1536x1080.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO3200-50x35.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO3200-370x260.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO3200-270x190.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO3200-740x520.jpg 740w\" sizes=\"(max-width: 1900px) 100vw, 1900px\" \/><\/a><figcaption id=\"caption-attachment-46934\" class=\"wp-caption-text\">ISO3200<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<div class=\"row-fluid\">\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_46935\" aria-describedby=\"caption-attachment-46935\" style=\"width: 1900px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO6400.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46935 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO6400.jpg\" alt=\"Sony A7 IV vysok\u00e1 citlivost\" width=\"1900\" height=\"1336\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO6400.jpg 1900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO6400-300x211.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO6400-768x540.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO6400-1536x1080.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO6400-50x35.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO6400-370x260.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO6400-270x190.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO6400-740x520.jpg 740w\" sizes=\"(max-width: 1900px) 100vw, 1900px\" \/><\/a><figcaption id=\"caption-attachment-46935\" class=\"wp-caption-text\">ISO6400<\/figcaption><\/figure>\n<\/div>\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_46936\" aria-describedby=\"caption-attachment-46936\" style=\"width: 1900px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO12800.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-46936\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO12800.jpg\" alt=\"Sony A7 Mark IV \u0161um\" width=\"1900\" height=\"1336\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO12800.jpg 1900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO12800-300x211.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO12800-768x540.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO12800-1536x1080.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO12800-50x35.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO12800-370x260.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO12800-270x190.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/Sony-A7IV-ISO12800-740x520.jpg 740w\" sizes=\"(max-width: 1900px) 100vw, 1900px\" \/><\/a><figcaption id=\"caption-attachment-46936\" class=\"wp-caption-text\">ISO12800, v\u0161imn\u011bte si p\u0159esn\u00fdch barev a&nbsp;velmi n\u00edzk\u00e9 hladiny \u0161umu. Nov\u00fd sn\u00edma\u010d se povedl.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<p>Ke sn\u00edma\u010di m\u00e1m jednu jedinou v\u00fdtku, a&nbsp;to je rychlost \u010dten\u00ed a&nbsp;z\u00e1pisu zachycen\u00fdch dat. Nejedn\u00e1 se o&nbsp;vrstven\u00fd (stacked) senzor a&nbsp;p\u0159i pou\u017eit\u00ed elektronick\u00e9 z\u00e1v\u011brky a&nbsp;nat\u00e1\u010den\u00ed vide\u00ed je proto zn\u00e1t rolling shutter efekt \u2013 svislice jsou p\u0159i rychlej\u0161\u00edm pohybu ze strany na stranu prohnut\u00e9. Nad pou\u017eit\u00edm elektronick\u00e9 z\u00e1v\u011brky je proto nutn\u00e9 uva\u017eovat a&nbsp;aktivovat ji opravdu pouze tehdy, kdy fotografujete sp\u00ed\u0161e statick\u00e9 v\u011bci. Nen\u00ed to ov\u0161em \u017e\u00e1dn\u00e1 b\u00edda, nap\u0159\u00edklad u&nbsp;fotoapar\u00e1tu <a href=\"https:\/\/www.fotolab.cz\/produkt\/canon-eos-r6-telo\" target=\"_blank\" rel=\"noopener\"><strong>Canon R6<\/strong><\/a> jsou v\u00fdsledky naprosto srovnateln\u00e9. <strong>Samotn\u00e1 mechanick\u00e1 z\u00e1v\u011brka je pom\u011brn\u011b hlu\u010dn\u00e1, poslechnout si ji m\u016f\u017eete tady:<\/strong><\/p>\n<p><iframe loading=\"lazy\" title=\"Sony A7 Mark IV Speed and Shutter sound\" width=\"565\" height=\"318\" src=\"https:\/\/www.youtube.com\/embed\/0ynXKfandI0?feature=oembed&#038;enablejsapi=1&#038;origin=https:\/\/www.fotolab.cz\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p><strong>Sekven\u010dn\u00ed sn\u00edm\u00e1n\u00ed<\/strong> zvl\u00e1dne fotoapar\u00e1t <strong>rychlost\u00ed a\u017e 10 sn.\/s<\/strong>. D\u016fle\u017eit\u00e9 je slovo \u201ea\u017e\u201c, proto\u017ee pro dosa\u017een\u00ed t\u00e9to hodnoty je nutn\u00e9 pou\u017e\u00edt komprimovan\u00fd RAW. <strong>RAW bez komprese nebo s&nbsp;bezztr\u00e1tovou kompres\u00ed zpomal\u00ed fotoapar\u00e1t na rychlost zhruba 6 sn.\/s.<\/strong> D\u011blal jsem n\u011bkolik testovac\u00edch fotografi\u00ed, kter\u00e9 jsou zkoumal ve 100% (a&nbsp;200%) zv\u011bt\u0161en\u00ed. \u201eZ\u00edral\u201c jsem na n\u011b n\u011bkolik minut a&nbsp;s&nbsp;klidn\u00fdm srdcem pak nastavil komprimovan\u00fd form\u00e1t. <strong>Rozd\u00edl, a\u010dkoliv jsem jej v&nbsp;r\u00e1mci testov\u00e1n\u00ed vid\u011bt cht\u011bl, jsem nezpozoroval.<\/strong> Respektive se mi nepovedlo dostat p\u0159\u00edstroj do podm\u00ednek, kde by se rozd\u00edl projevil. Mo\u017en\u00e1 byla p\u0159\u00edtomna lehk\u00e1 posterizace, ale ta byla viditeln\u00e1 p\u0159i \u201epushov\u00e1n\u00ed\u201c soubor\u016f o&nbsp;3EV a&nbsp;v\u00edce \u2013 tedy na hodnoty, na kter\u00e9 byste se p\u0159i spr\u00e1vn\u00e9m exponov\u00e1n\u00ed dostat nem\u011bli.<\/p>\n<div class=\"row-fluid\">\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_46938\" aria-describedby=\"caption-attachment-46938\" style=\"width: 1900px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-bezkomprese.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46938 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-bezkomprese.jpg\" alt=\"Sony bezztr\u00e1tov\u00e1 komprese RAW\" width=\"1900\" height=\"1267\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-bezkomprese.jpg 1900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-bezkomprese-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-bezkomprese-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-bezkomprese-1536x1024.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-bezkomprese-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-bezkomprese-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-bezkomprese-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-bezkomprese-740x493.jpg 740w\" sizes=\"(max-width: 1900px) 100vw, 1900px\" \/><\/a><figcaption id=\"caption-attachment-46938\" class=\"wp-caption-text\">Pozn\u00e1te, kter\u00e1 ze dvou fotografi\u00ed pou\u017e\u00edv\u00e1 komprimovan\u00fd form\u00e1t?<\/figcaption><\/figure>\n<\/div>\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_46939\" aria-describedby=\"caption-attachment-46939\" style=\"width: 1900px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-komprimovany.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46939 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-komprimovany.jpg\" alt=\"Sony RAW ztr\u00e1tov\u00e1 komprese\" width=\"1900\" height=\"1267\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-komprimovany.jpg 1900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-komprimovany-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-komprimovany-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-komprimovany-1536x1024.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-komprimovany-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-komprimovany-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-komprimovany-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/sony-a7-iv-komprimovany-740x493.jpg 740w\" sizes=\"(max-width: 1900px) 100vw, 1900px\" \/><\/a><figcaption id=\"caption-attachment-46939\" class=\"wp-caption-text\">Oba sn\u00edmky byly vyvolan\u00e9 v&nbsp;software Capture One. Komprimovan\u00fd je tento.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<p>Krom\u011b soubor\u016f RAW a&nbsp;oblig\u00e1tn\u00edho form\u00e1tu JPEG podporuje Sony A7IV ukl\u00e1d\u00e1n\u00ed i&nbsp;do komprimovan\u00fdch soubor\u016f HEIF. Na jejich roz\u0161\u00ed\u0159en\u00ed si je\u0161t\u011b budeme muset po\u010dkat, ale nab\u00eddnou v\u011bt\u0161\u00ed flexibilitu a&nbsp;rozsah barev ne\u017e JPEG. Ten je v\u017edy ulo\u017een v&nbsp;8-bit, HEIF pot\u00e9 v&nbsp;10-bit.<\/p>\n<p>Jak jsem psal v\u00fd\u0161e, <strong>sn\u00edma\u010d fotoapar\u00e1tu je stabilizovan\u00fd<\/strong>. Sony ud\u00e1v\u00e1 \u00fa\u010dinnost <strong>a\u017e 5,5EV<\/strong>, ale na tuto hodnotu jsem se nikdy nedostal. Re\u00e1ln\u00e1 hodnota je kolem 2EV a\u017e 3EV. Stabilizace se tak \u0159ad\u00ed sp\u00ed\u0161e mezi ty slab\u0161\u00ed a&nbsp;je to zn\u00e1t i&nbsp;p\u0159i nat\u00e1\u010den\u00ed vide\u00ed z&nbsp;ruky.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Sony_A7_Mark_IV_v_praxi\"><\/span>Sony A7 Mark IV v&nbsp;praxi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>V\u0161echna nastaven\u00ed a&nbsp;ergonomie fotoapar\u00e1tu je z&nbsp;m\u00e9ho pohledu prakticky bez v\u00fdtek<\/strong>. Snad a\u017e na prostor mezi gripem a&nbsp;objektivem, jsem nem\u011bl nikdy pocit, \u017ee by m\u011b p\u0159\u00edstroj jakkoliv omezoval. Ovl\u00e1d\u00e1n\u00ed je intuitivn\u00ed a&nbsp;je vid\u011bt, \u017ee se Sony dost\u00e1v\u00e1 mal\u00fdmi kr\u016f\u010dky k&nbsp;ide\u00e1ln\u00edmu rozlo\u017een\u00ed v\u0161ech ovl\u00e1dac\u00edch prvk\u016f. V\u00edtanou zm\u011bnou je i&nbsp;prohozen\u00ed funk\u010dn\u00edho tla\u010d\u00edtka se spu\u0161t\u011bn\u00edm nahr\u00e1v\u00e1n\u00ed, kter\u00e9 se za zadn\u00ed strany p\u0159esunulo na tu horn\u00ed. Spole\u010dn\u011b s&nbsp;oto\u010dn\u00fdm displejem je tak zm\u011bna um\u00edst\u011bn\u00ed ide\u00e1ln\u00ed pro vlogging, kdy nemus\u00edte tla\u010d\u00edtko record hledat poslepu.<br \/>\nCo ur\u010dit\u011b p\u0159ekvap\u00ed je <strong>v\u00fddr\u017e baterie<\/strong>. Dostat se na v\u00fdrobcem ud\u00e1van\u00fdch 580 sn\u00edmk\u016f nen\u00ed probl\u00e9m a&nbsp;j\u00e1 jsem akumul\u00e1tor nab\u00edjel po vyfocen\u00ed zhruba 1200 fotografi\u00ed. Je to trend naprost\u00e9 v\u011bt\u0161iny sou\u010dasn\u00fdch bezzrcadlovek a&nbsp;tak\u00e9 d\u016fkazem toho, \u017ee by se m\u011bla zm\u011bnit metodika m\u011b\u0159en\u00ed tohoto parametru.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-46943 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0036.jpg\" alt=\"\" width=\"1790\" height=\"1191\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0036.jpg 1790w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0036-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0036-768x511.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0036-1536x1022.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0036-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0036-370x246.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0036-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0036-740x492.jpg 740w\" sizes=\"(max-width: 1790px) 100vw, 1790px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Automaticke_ostreni\"><\/span>Automatick\u00e9 ost\u0159en\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ost\u0159en\u00ed fotoapar\u00e1tu je kapitolou samo o&nbsp;sob\u011b. <strong>I kdy\u017e jsem jej vystavil velmi n\u00e1ro\u010dn\u00fdm podm\u00ednk\u00e1m, ost\u0159en\u00ed nev\u00e1halo, a&nbsp;zvl\u00e1dlo s&nbsp;p\u0159ehledem sledovat rychle pohybuj\u00edc\u00ed se c\u00edle.<\/strong> Jedin\u00fd probl\u00e9m d\u011blal fotoapar\u00e1tu pohyb, kdy se subjekt vzdaloval. To je ale v\u011bc, kterou ve skute\u010dnosti zvl\u00e1d\u00e1 minimum p\u0159\u00edstroj\u016f na trhu.<\/p>\n<figure id=\"attachment_46944\" aria-describedby=\"caption-attachment-46944\" style=\"width: 800px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0008.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46944\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0008.jpg\" alt=\"\" width=\"800\" height=\"533\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0008.jpg 1900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0008-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0008-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0008-1536x1024.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0008-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0008-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0008-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0008-740x493.jpg 740w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-46944\" class=\"wp-caption-text\">Sledov\u00e1n\u00ed o\u010d\u00ed zv\u00ed\u0159at si poradilo i&nbsp;s&nbsp;\u010dern\u00fdm psem p\u0159i kontrastn\u00edm sv\u011btle ze strany.<\/figcaption><\/figure>\n<p>Ost\u0159en\u00ed m\u00e1 bohat\u00e1 nastaven\u00ed. M\u016f\u017eete si podle sv\u00fdch pot\u0159eb vybrat, jestli chcete ost\u0159it na bod nebo v\u011bt\u0161\u00ed dynamickou oblast. <strong>Posledn\u00ed generace Sony Real-Time Tracking vyu\u017e\u00edv\u00e1 um\u011blou inteligenci a&nbsp;strojov\u00e9 u\u010den\u00ed.<\/strong> <strong>Zvl\u00e1dne tak sledovat o\u010di nejenom lid\u00ed, ale i&nbsp;zv\u00ed\u0159at a&nbsp;pt\u00e1k\u016f.<\/strong> Tracking jsem testoval na n\u00e1ro\u010dn\u00e9m subjektu \u2013 m\u00e9m \u010dern\u00e9m psovi. Nebudu tvrdit, \u017ee bylo zaost\u0159eno 100% fotografi\u00ed, ale i&nbsp;tak byly v\u00fdsledky p\u0159esv\u011bd\u010div\u00e9 s&nbsp;minimem odpadu. Kdo by cht\u011bl t\u00e9m\u011b\u0159 dokonal\u00fd syst\u00e9m ost\u0159en\u00ed, bude muset s\u00e1hnout po modelu <a href=\"https:\/\/www.fotolab.cz\/produkt\/sony-alpha-a9-ii-telo\" target=\"_blank\" rel=\"noopener\"><strong>Sony A9 Mark II<\/strong><\/a>. Ten je mimochodem lep\u0161\u00ed i&nbsp;ve \u0161patn\u00e9m sv\u011btle, kde testovan\u00fd Sony A7 Mark IV s&nbsp;ud\u00e1van\u00fdm rozsahem od -4EV p\u0159i f2 za\u010d\u00edn\u00e1 lehce v\u00e1hat. St\u00e1le se ale jedn\u00e1 o&nbsp;jeden z&nbsp;nejl\u00e9pe ost\u0159\u00edc\u00edch fotoapar\u00e1t\u016f na trhu. Oproti p\u0159edchoz\u00ed generaci nav\u00edc funguje ost\u0159en\u00ed i&nbsp;p\u0159i clon\u011b f\/22, kde A7 III zvl\u00e1dla jen f\/11.<\/p>\n<figure id=\"attachment_46945\" aria-describedby=\"caption-attachment-46945\" style=\"width: 800px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0007.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46945\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0007.jpg\" alt=\"Ps\u00ed portr\u00e9t\" width=\"800\" height=\"533\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0007.jpg 1900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0007-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0007-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0007-1536x1024.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0007-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0007-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0007-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0007-740x493.jpg 740w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-46945\" class=\"wp-caption-text\">P\u0159i focen\u00ed ps\u016f z&nbsp;men\u0161\u00ed vzd\u00e1lenosti trochu p\u0159iclo\u0148te, aby byl ostr\u00fd i&nbsp;\u010dum\u00e1k. J\u00e1 na t\u00e9to fotografii ud\u011blal chybu.<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Seriove_snimani_a_vyrovnavaci_pamet\"><\/span>S\u00e9riov\u00e9 sn\u00edm\u00e1n\u00ed a&nbsp;vyrovn\u00e1vac\u00ed pam\u011b\u0165<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Je\u0161t\u011b bych se r\u00e1d na chv\u00edli vr\u00e1til k&nbsp;sekven\u010dn\u00edmu sn\u00edm\u00e1n\u00ed. To, \u017ee je maxim\u00e1ln\u00ed rychlost 10 sn.\/s jsem ji\u017e zmi\u0148oval. <strong>Dopad nastaven\u00ed form\u00e1tu (JPEG\/RAW) na rychlost je znateln\u00fd<\/strong>, je tady ale je\u0161t\u011b jedna v\u011bc, kter\u00e1 ovliv\u0148uje rychlost \u2013 pam\u011b\u0165ov\u00e1 karta. Na 10 sn.\/s jsem se toti\u017e p\u0159i pou\u017eit\u00ed UHS-II SD karty dostal pouze p\u0159i nastaven\u00ed na JPEG nebo HEIF. P\u0159i nastaven\u00ed na komprimovan\u00fd RAW se s&nbsp;SD kartou sn\u00edm\u00e1n\u00ed dr\u017e\u00ed maxim\u00e1ln\u011b okolo 8 sn.\/s. A\u017e p\u0159i pou\u017eit\u00ed CFExpress A&nbsp;karty dok\u00e1\u017ee Sony A7 Mark IV doc\u00edlit maxim\u00e1ln\u00ed rychlosti 10 sn.\/s. CFexpress kartu jsem bohu\u017eel b\u011bhem testov\u00e1n\u00ed nem\u011bl k&nbsp;dispozici a&nbsp;nedok\u00e1\u017eu proto \u0159\u00edci, jak se bude chovat fotoapar\u00e1t nap\u0159\u00edklad p\u0159i nastaven\u00ed ukl\u00e1d\u00e1n\u00ed na ob\u011b karty z\u00e1rove\u0148 \u2013 CFexpress A&nbsp;um\u00ed toti\u017e A7IV jenom v&nbsp;jednom slotu.<\/p>\n<p>Se sekven\u010dn\u00edm sn\u00edm\u00e1n\u00edm se \u00fazce poj\u00ed i&nbsp;<strong>velikost bufferu<\/strong>. Ta je v&nbsp;p\u0159\u00edpad\u011b pou\u017eit\u00ed SD UHS-II limituj\u00edc\u00ed a&nbsp;fotoapar\u00e1t v\u00fdrazn\u011b zpomal\u00ed po zhruba 24 sn\u00edmc\u00edch. U\u017e je to sice n\u011bjak\u00fd ten p\u00e1tek, co jsem fotografoval se Sony A7 III, ale pamatuji se, \u017ee fotila 10 sn.\/s nehled\u011b na nastaven\u00ed form\u00e1tu a&nbsp;buffer pojal necelou \u010dty\u0159ic\u00edtku fotografi\u00ed. Na jednu stranu se m\u016f\u017eeme odvolat na v\u011bt\u0161\u00ed mno\u017estv\u00ed megapixel\u016f (24 vs 33 Mpix), ale na stranu druhou pou\u017e\u00edv\u00e1 \u010dtvrt\u00e1 generace Sony A7 procesor BIONZ XR a&nbsp;startuje na vy\u0161\u0161\u00ed cen\u011b \u2013 \u010dekal jsem p\u0159esv\u011bd\u010div\u011bj\u0161\u00ed \u010d\u00edsla a&nbsp;jsem zv\u011bdav\u00fd na v\u00fdsledky p\u0159i pou\u017eit\u00ed rychl\u00e9 CFexpress karty.<\/p>\n<p><strong>N\u011bco jin\u00e9ho jsou ale technick\u00e9 parametry a&nbsp;n\u011bco jin\u00e9ho je praxe.<\/strong> Rozd\u00edl mezi nekomprimovan\u00fdmi RAWy a&nbsp;komprimovan\u00fdmi je zanedbateln\u00fd. M\u016f\u017eete proto podle pot\u0159eby nastaven\u00ed m\u011bnit. Nap\u0159\u00edklad na produkt nebo portr\u00e9t v&nbsp;ateli\u00e9ru 6sn.\/s sta\u010d\u00ed a\u017e nad hlavu.&nbsp; Tento &#8222;neduh&#8220; podle m\u011b nebude nikoho v&nbsp;re\u00e1ln\u00e9m sv\u011bt\u011b (mimo internet) v\u00fdrazn\u011b omezovat. To stejn\u00e9 plat\u00ed i&nbsp;naopak, kdy nap\u0159\u00edklad ve sportovn\u00ed fotografii nikdo detaily zkoumat nebude, a&nbsp;10 sn.\/s sta\u010d\u00ed. Kdo chce v\u00edce, mus\u00ed vybrat jin\u00fd lep\u0161\u00ed fotoapar\u00e1t.<\/p>\n<figure id=\"attachment_46947\" aria-describedby=\"caption-attachment-46947\" style=\"width: 800px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0014.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46947\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0014.jpg\" alt=\"Sony A7IV portr\u00e9t\" width=\"800\" height=\"533\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0014.jpg 1900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0014-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0014-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0014-1536x1024.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0014-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0014-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0014-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/aweb0014-740x493.jpg 740w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-46947\" class=\"wp-caption-text\">Pouze lehce upraven\u00fd JPEG p\u0159\u00edmo z&nbsp;fotoapar\u00e1tu. Sony m\u00e1 tentokr\u00e1t ple\u0165ovku perfektn\u00ed, u&nbsp;A7III jsem s&nbsp;n\u00ed ob\u010das bojoval. Snaz\u0161\u00ed je proto i&nbsp;postprodukce.<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Nataceni_videi\"><\/span>Nat\u00e1\u010den\u00ed vide\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>O rychl\u00e9m voli\u010di pro zm\u011bnu re\u017eim\u016f pro nat\u00e1\u010den\u00ed a&nbsp;focen\u00ed jsem u\u017e mluvil, o&nbsp;v\u00fdklopn\u00e9m a&nbsp;oto\u010dn\u00e9m LCD tak\u00e9. Ob\u011b tyto zm\u011bny jdou vst\u0159\u00edc fotograf\u016fm, a&nbsp;hlavn\u011b <strong>tv\u016frc\u016fm vide\u00ed a&nbsp;vlogger\u016fm<\/strong>. V&nbsp;ot\u00e1zce konektivity Sony nasadilo <strong>velk\u00e9 HDMI<\/strong> a&nbsp;tak\u00e9 <strong>nov\u00fd typ hot-shoe<\/strong>, kter\u00e9 je vybaven\u00e9 \u0159adou kontakt\u016f, kter\u00e9 umo\u017e\u0148uj\u00ed pou\u017eit\u00ed speci\u00e1ln\u00edho p\u0159\u00edslu\u0161enstv\u00ed. Mezi n\u011b pat\u0159\u00ed nap\u0159\u00edklad i&nbsp;adapt\u00e9r pro pou\u017eit\u00ed XLR mikrofonu. Krom\u011b toho m\u016f\u017eete k&nbsp;fotoapar\u00e1tu p\u0159ipojit sluch\u00e1tka pro odposlech a&nbsp;standardn\u00ed mikrofon \u2013 pou\u017eity jsou konektory b\u011b\u017en\u00e9 velikosti.<\/p>\n<p>V\u0161ichni sice u&nbsp;Sony A7 Mark IV doufali v&nbsp;4K60p video p\u0159i \u010dten\u00ed dat z&nbsp;cel\u00e9ho \u010dipu, spokojit se ale mus\u00edme s&nbsp;o\u0159ezem na form\u00e1t Super 35 s&nbsp;1,5x faktorem o\u0159ezu. D\u00edky tomu, \u017ee fotoapar\u00e1t nevyu\u017e\u00edv\u00e1 celou plochu \u010dipu, nen\u00ed v&nbsp;tomto re\u017eimu tolik zn\u00e1t efekt rolling shutter. Ten se za\u010dne v\u00fdrazn\u011bji projevovat p\u0159i nastaven\u00ed 4K25p, kter\u00e9 je oversamplovan\u00e9 ze 7K rozli\u0161en\u00ed. Rolling shutter efektu se nejl\u00e9pe zbav\u00edte p\u0159epnut\u00edm do FullHD p\u0159i 50fps. Nutno ale podotknout, \u017ee <strong>intern\u011b nat\u00e1\u010den\u00e9 4K 30p 10bit 4:2:2 video v&nbsp;200Mbit vypad\u00e1 n\u00e1dhern\u011b<\/strong>. Ostrost je uk\u00e1zkov\u00e1, dynamick\u00fd rozsah d\u00e1v\u00e1 obrovskou flexibilitu v&nbsp;postprodukci a&nbsp;d\u00edky 10 bit barv\u00e1m se nemus\u00edte ob\u00e1vat pou\u017e\u00edvat ploch\u00fd barevn\u00fd profil S-Log3 i&nbsp;v&nbsp;n\u00e1ro\u010dn\u011b sv\u00edcen\u00fdch sc\u00e9n\u00e1ch.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-46956 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/ker2.jpg\" alt=\"\" width=\"1800\" height=\"1013\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/ker2.jpg 1800w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/ker2-300x169.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/ker2-768x432.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/ker2-1536x864.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/ker2-50x28.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/ker2-370x208.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/ker2-270x152.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/ker2-740x416.jpg 740w\" sizes=\"(max-width: 1800px) 100vw, 1800px\" \/><\/p>\n<p>K o\u0159ezu bohu\u017eel doch\u00e1z\u00ed i&nbsp;v&nbsp;re\u017eimu S&amp;Q&nbsp;pro nat\u00e1\u010den\u00ed zpomalen\u00fdch z\u00e1b\u011br\u016f nebo timelapse. Co ale naopak pot\u011b\u0161\u00ed je p\u0159eh\u0159\u00edv\u00e1n\u00ed, tedy sp\u00ed\u0161e <strong>kvalitn\u00ed odvod tepla a&nbsp;v\u00fddr\u017e p\u0159\u00edstroje<\/strong>. Testoval jsem tak, \u017ee jsem fotoapar\u00e1t um\u00edstil na stativ a&nbsp;postavil jej co nejbl\u00ed\u017ee zapnut\u00e9ho \u00fast\u0159edn\u00edho topen\u00ed, ze kter\u00e9ho s\u00e1lalo horko. P\u0159i nastaven\u00e9 maxim\u00e1ln\u00ed mo\u017en\u00e9 kvality intern\u00edho z\u00e1znamu se nat\u00e1\u010den\u00ed zastavilo a\u017e po cca <strong>35 minut\u00e1ch<\/strong>, co\u017e pova\u017euji za perfektn\u00ed v\u00fdsledek. Nav\u00edc m\u016f\u017eete v&nbsp;menu nastavit v\u011bt\u0161\u00ed toleranci na vysokou teplotu p\u0159\u00edstroje, kde je jedin\u00fdm omezen\u00edm kapacita baterie (Menu 49\/53, Tepl. auto. vyp. nap. na Vysok\u00e1). Ta mimochodem p\u0159ekvapila svou v\u00fddr\u017e\u00ed i&nbsp;p\u0159i nat\u00e1\u010den\u00ed, procesor BIONZ XR se ukazuje jako \u00fasporn\u00fd a&nbsp;v\u00fdkonn\u00fd.<\/p>\n<p>Novinkou v&nbsp;portfoliu Sony je <strong>automatick\u00e1 korekce negativn\u00edho jevu \u201efocus breathing\u201c<\/strong>. To je v\u011bc, kter\u00e1 se projevuje b\u011bhem p\u0159eost\u0159ov\u00e1n\u00ed, a&nbsp;to lehkou zm\u011bnou ohniskov\u00e9 vzd\u00e1lenosti. Jedn\u00e1 se vlastn\u011b o&nbsp;formu digit\u00e1ln\u00edho o\u0159ezu, kter\u00fd je na m\u00edru nastaven\u00fd p\u0159\u00edmo pro objektivy Sony. Je to u\u017eite\u010dn\u00e1 funkce, kter\u00e1 uleh\u010d\u00ed a&nbsp;zrychl\u00ed pracovn\u00ed workflow.<\/p>\n<p>Mezi posledn\u00ed inovace pat\u0159\u00ed funkce <strong>\u201efocus map\u201c a&nbsp;aktivn\u00ed stabilizace<\/strong>. Focus map je asistent manu\u00e1ln\u00edho ost\u0159en\u00ed, kter\u00fd funguje tak, \u017ee barevn\u011b zv\u00fdraz\u0148uje rozost\u0159en\u00e9 oblasti v&nbsp;pop\u0159ed\u00ed a&nbsp;v&nbsp;pozad\u00ed zaost\u0159en\u00e9ho subjektu. Nehod\u00ed se p\u0159\u00edli\u0161 pro komponov\u00e1n\u00ed, ale focus pulling je d\u00edky t\u00e9to funkci mnohem snaz\u0161\u00ed, ne\u017e kdybyste pou\u017e\u00edvali nap\u0159\u00edklad focus peaking. <strong>Kr\u00e1tk\u00e9 video funkci Focus map p\u0159ibl\u00ed\u017e\u00ed v\u00edce:<\/strong><\/p>\n<p><iframe loading=\"lazy\" title=\"Focus Map | ILCE-7M4 | Sony | \u03b1\" width=\"565\" height=\"318\" src=\"https:\/\/www.youtube.com\/embed\/U5NQbFbGXm0?feature=oembed&#038;enablejsapi=1&#038;origin=https:\/\/www.fotolab.cz\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Aktivn\u00ed stabilizace je v\u011bc v\u0161em dokonale zn\u00e1m\u00e1 a&nbsp;jedn\u00e1 se o&nbsp;digit\u00e1ln\u00ed o\u0159ez, kter\u00fd se hod\u00ed p\u0159i nat\u00e1\u010den\u00ed z&nbsp;ruky. Osobn\u011b nejsem fanou\u0161ek jak zabudovan\u00e9 stabilizace, tak t\u00e9 digit\u00e1ln\u00ed. Obraz plave, nep\u016fsob\u00ed p\u0159irozen\u00e9 a&nbsp;m\u00edsty je d\u00edky stabilizaci podivn\u011b trhan\u00fd \u2013 <strong>gimbal nebo stativ je podle m\u011b u&nbsp;Sony A7 IV t\u00e9m\u011b\u0159 nutnost\u00ed.<\/strong><\/p>\n<figure id=\"attachment_46949\" aria-describedby=\"caption-attachment-46949\" style=\"width: 800px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46949\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_.jpg\" alt=\"Sony A7 IV v\u00fdklopn\u00fd displej\" width=\"800\" height=\"481\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_.jpg 1852w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_-300x180.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_-768x462.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_-1536x924.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_-50x30.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_-370x223.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_-270x162.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_-740x445.jpg 740w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-46949\" class=\"wp-caption-text\">V\u00fdklopn\u00e9mu oto\u010dn\u00e9mu displeji sch\u00e1z\u00ed jen v\u011bt\u0161\u00ed rozli\u0161en\u00ed.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Zaver_a_hodnoceni\"><\/span>Z\u00e1v\u011br a&nbsp;hodnocen\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sony A7 Mark IV je v&nbsp;hierarchii full-frame p\u0159\u00edstroj\u016f Sony z\u00e1kladn\u00edm modelem. Pohled do tabulky technick\u00fdch parametr\u016f (a&nbsp;tak\u00e9 na cenovku) ale potvrzuje, \u017ee <strong>nov\u00e1 generace p\u0159\u00edstroje m\u00ed\u0159\u00ed mnohem v\u00fd\u0161e<\/strong>. Ostatn\u011b i&nbsp;Sony ozna\u010duje nov\u00fd model jako \u201eBeyond basic\u201c \u2013 voln\u011b p\u0159elo\u017eeno jako \u201ev\u00edce ne\u017e jen z\u00e1klad\u201c. Sony A7 Mark IV se bude prod\u00e1vat soub\u011b\u017en\u011b s&nbsp;t\u0159et\u00ed generac\u00ed p\u0159\u00edstroje <a href=\"https:\/\/www.fotolab.cz\/produkt\/sony-alpha-a7-mark-iii-telo\" target=\"_blank\" rel=\"noopener\"><strong>Sony A7 III<\/strong><\/a>, kter\u00e1 m\u00e1 st\u00e1le co \u0159\u00edct a&nbsp;st\u00e1v\u00e1 se tak skute\u010dn\u00fdm vstupem do full-frame sv\u011bta bajonetu E.<\/p>\n<p>Sony A7 Mark IV m\u00e1 sice p\u00e1r negativ, ale celkov\u011b se jedn\u00e1 funkcemi nabit\u00fd v\u00fdkonn\u00fd p\u0159\u00edstroj s&nbsp;rychl\u00fdm spolehliv\u00fdm ost\u0159en\u00edm, kter\u00fd m\u00e1 nav\u00edc podle m\u011b v&nbsp;sou\u010dasnosti jeden z&nbsp;nejlep\u0161\u00edch sn\u00edma\u010d\u016f na trhu. Focen\u00ed do 33MPix spole\u010dn\u011b s&nbsp;velmi n\u00edzkou hladinou \u0161umu i&nbsp;na \u201enesmysln\u00e9\u201c hodnoty ISO je n\u00e1vykov\u00e9. Negativa se t\u00fdkaj\u00ed rychlosti z\u00e1visl\u00e9 na nastaven\u00e9m form\u00e1tu a&nbsp;pou\u017eit\u00e9 pam\u011b\u0165ov\u00e9 kart\u011b. Zamrz\u00ed i&nbsp;velikosti bufferu, ale zde je naprosto z\u0159ejm\u00e9, \u017ee Sony by nasazen\u00edm vy\u0161\u0161\u00ed rychlosti a&nbsp;v\u011bt\u0161\u00edho bufferu mohlo zbyte\u010dn\u011b omezovat prodeje &#8222;sportovn\u00edho&#8220; modelu Sony A9 Mark II. Zn\u00e1t je i&nbsp;rolling shutter b\u011bhem nat\u00e1\u010den\u00ed a&nbsp;p\u0159i focen\u00ed s&nbsp;elektronickou z\u00e1v\u011brkou. Budu se ale opakovat \u2013 Na toto m\u00e1 Sony odpov\u011b\u010f v&nbsp;modelech A1 a&nbsp;A9. Pokud v\u00e1m \u017e\u00e1dn\u00e1 z&nbsp;t\u011bchto v\u011bc\u00ed nep\u0159ijde jako p\u0159ek\u00e1\u017eka pro va\u0161i pr\u00e1ci, se <strong>Sony A7 Mark IV nem\u016f\u017eete ud\u011blat chybu.<\/strong><\/p>\n<div id=\"wppr-review-46917\"\n\t class=\"wppr-template wppr-template-default  wppr-review-container  \">\n\t<section id=\"review-statistics\" class=\"article-section\">\n\t\t<div class=\"review-wrap-up  cwpr_clearfix\">\n\t\t\t<div class=\"cwpr-review-top cwpr_clearfix\">\n\t\t\t\t<h2 class=\"cwp-item\">Bodov\u00e9 hodnocen\u00ed: Sony A7 IV<\/h2>\n\t\t\t\t<span class=\"cwp-item-price cwp-item\"><\/span>\n\t\t\t<\/div><!-- end .cwpr-review-top -->\n\t\t\t<div class=\"review-wu-content cwpr_clearfix\">\n\t\t\t\t<div class=\"review-wu-left\">\n\t\t\t\t\t<div class=\"review-wu-left-top\">\n\t\t\t\t\t\t<div class=\"rev-wu-image\">\n\t\t\t\t\t\t\t\t\t<a title=\"Bodov\u00e9 hodnocen\u00ed: Sony A7 IV\" class=\"wppr-default-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_.jpg\" data-lightbox=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_-150x150.jpg\" rel=\"nofollow\" target=\"_blank\">\n\t\t\t<img\n\t\t\t\tsrc=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_-150x150.jpg\"\n\t\t\t\talt=\"Bodov\u00e9 hodnocen\u00ed: Sony A7 IV\"\n\t\t\t\tclass=\"photo photo-wrapup wppr-product-image\"\/>\n\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t<div class=\"review-wu-grade\">\n\t\t\t<div class=\"review-wu-grade-content \">\n\t\t\t\t<div class=\"wppr-c100 wppr-p92 wppr-very-good\">\n\t\t\t\t\t<span>9.2<\/span>\n\t\t\t\t\t<div class=\"wppr-slice\">\n\t\t\t\t\t\t<div class=\"wppr-bar \" style=\"\n\t\t-webkit-transform: rotate(331.2deg);\n\t\t-ms-transform: rotate(331.2deg);\n\t\ttransform: rotate(331.2deg);\n\t\t\"><\/div>\n\t\t\t\t\t\t<div class=\"wppr-fill \" style=\"\"><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"wppr-slice-center\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div><!-- end .review-wu-left-top -->\n\n\t\t\t\t\t\t\t<div class=\"review-wu-bars\">\n\t\t\t\t\t\t<div class=\"rev-option\" data-value=\"100\">\n\t\t\t<div class=\"cwpr_clearfix\">\n\t\t\t\t<span>\n\t\t\t\t\t<h3>Obrazov\u00e1 kvalita\/sn\u00edma\u010d<\/h3>\n\t\t\t\t<\/span>\n\t\t\t\t<span>10.0\/10<\/span>\n\t\t\t<\/div>\n\t\t\t<ul class=\"cwpr_clearfix wppr-very-good\">\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"rev-option\" data-value=\"90\">\n\t\t\t<div class=\"cwpr_clearfix\">\n\t\t\t\t<span>\n\t\t\t\t\t<h3>Ost\u0159en\u00ed<\/h3>\n\t\t\t\t<\/span>\n\t\t\t\t<span>9.0\/10<\/span>\n\t\t\t<\/div>\n\t\t\t<ul class=\"cwpr_clearfix wppr-very-good\">\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li ><\/li>\n\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"rev-option\" data-value=\"90\">\n\t\t\t<div class=\"cwpr_clearfix\">\n\t\t\t\t<span>\n\t\t\t\t\t<h3>Video<\/h3>\n\t\t\t\t<\/span>\n\t\t\t\t<span>9.0\/10<\/span>\n\t\t\t<\/div>\n\t\t\t<ul class=\"cwpr_clearfix wppr-very-good\">\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li ><\/li>\n\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"rev-option\" data-value=\"95\">\n\t\t\t<div class=\"cwpr_clearfix\">\n\t\t\t\t<span>\n\t\t\t\t\t<h3>Konstrukce<\/h3>\n\t\t\t\t<\/span>\n\t\t\t\t<span>9.5\/10<\/span>\n\t\t\t<\/div>\n\t\t\t<ul class=\"cwpr_clearfix wppr-very-good\">\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"rev-option\" data-value=\"90\">\n\t\t\t<div class=\"cwpr_clearfix\">\n\t\t\t\t<span>\n\t\t\t\t\t<h3>Ergonomie a ovl\u00e1d\u00e1n\u00ed<\/h3>\n\t\t\t\t<\/span>\n\t\t\t\t<span>9.0\/10<\/span>\n\t\t\t<\/div>\n\t\t\t<ul class=\"cwpr_clearfix wppr-very-good\">\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li ><\/li>\n\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"rev-option\" data-value=\"90\">\n\t\t\t<div class=\"cwpr_clearfix\">\n\t\t\t\t<span>\n\t\t\t\t\t<h3>Dal\u0161\u00ed v\u00fdbava a funkce<\/h3>\n\t\t\t\t<\/span>\n\t\t\t\t<span>9.0\/10<\/span>\n\t\t\t<\/div>\n\t\t\t<ul class=\"cwpr_clearfix wppr-very-good\">\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li ><\/li>\n\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"rev-option\" data-value=\"90\">\n\t\t\t<div class=\"cwpr_clearfix\">\n\t\t\t\t<span>\n\t\t\t\t\t<h3>Pom\u011br cena\/v\u00fdkon<\/h3>\n\t\t\t\t<\/span>\n\t\t\t\t<span>9.0\/10<\/span>\n\t\t\t<\/div>\n\t\t\t<ul class=\"cwpr_clearfix wppr-very-good\">\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li  class=\"colored\"><\/li>\n\t\t\t\t\t\t\t\t\t\t<li ><\/li>\n\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\n\t\t\t\t<\/div><!-- end .review-wu-left -->\n\n\t\t\t\t<div class=\"review-wu-right\">\n\t\t\t\t\t\t\t<div class=\" pros\">\n\t\t\t<h2 class=\"\">\n\t\t\t\tPot\u011b\u0161ilo n\u00e1s:\t\t\t<\/h2>\n\t\t\t<ul>\n\t\t\t\t\t\t\t\t\t<li>Perfektn\u00ed sn\u00edma\u010d s minimem \u0161umu a 15EV<\/li>\n\t\t\t\t\t\t\t\t\t<li>Kvalitn\u00ed ut\u011bsn\u011bn\u00e9 t\u011blo<\/li>\n\t\t\t\t\t\t\t\t\t<li>5-os\u00e1 stabilizace<\/li>\n\t\t\t\t\t\t\t\t\t<li>10bit 4:2:2 4K video<\/li>\n\t\t\t\t\t\t\t\t\t<li>Dobr\u00e1 v\u00fddr\u017e baterie<\/li>\n\t\t\t\t\t\t\t\t\t<li>Spolehliv\u00e9 a chytr\u00e9 ost\u0159en\u00ed<\/li>\n\t\t\t\t\t\t\t\t\t<li>Nahr\u00e1v\u00e1n\u00ed bez p\u0159eh\u0159\u00edv\u00e1n\u00ed<\/li>\n\t\t\t\t\t\t\t\t\t<li>V\u00fdklopn\u00fd oto\u010dn\u00fd displej<\/li>\n\t\t\t\t\t\t\t\t\t<li>Velk\u00e9 HDMI<\/li>\n\t\t\t\t\t\t\t\t\t<li>Konektivita<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\" cons\">\n\t\t\t<h2 class=\"\">\n\t\t\t\tZaslou\u017eilo by vylep\u0161en\u00ed:\t\t\t<\/h2>\n\t\t\t<ul>\n\t\t\t\t\t\t\t\t\t<li>10 sn.\/s pouze v komprimovan\u00e9m RAW s CFExpress kartou<\/li>\n\t\t\t\t\t\t\t\t\t<li>Hor\u0161\u00ed kvalita zadn\u00edho LCD<\/li>\n\t\t\t\t\t\t\t\t\t<li>Ob\u010das zmaten\u00e9 popisky v menu<\/li>\n\t\t\t\t\t\t\t\t\t<li>Rolling shutter ve videu a p\u0159i focen\u00ed s el. z\u00e1v.<\/li>\n\t\t\t\t\t\t\t\t\t<li>4K60p pouze v Super35 cropu<\/li>\n\t\t\t\t\t\t\t\t\t<li>Men\u0161\u00ed buffer<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t<\/div>\n\t\t\t\t\t<\/div><!-- end .review-wu-right -->\n\n\t\t\t<\/div><!-- end .review-wu-content -->\n\t\t<\/div><!-- end .review-wrap-up -->\n\t<\/section>\n\n\t\t\t\t\t<div class=\"affiliate-button\">\n\t\t\t\t\t<a href=\"https:\/\/www.fotolab.cz\/produkt\/sony-a7-mark-iv-telo\" rel=\"nofollow\" target=\"_blank\">\n\t\t\t\t\t\t<span>Zobrazit v e-shopu<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div><!-- end .affiliate-button -->\n\t\t\t<\/div>\n\t<script type=\"application\/ld+json\">{\"@context\":\"http:\\\/\\\/schema.org\\\/\",\"@type\":\"Product\",\"name\":\"Bodov\\u00e9 hodnocen\\u00ed: Sony A7 IV\",\"image\":\"https:\\\/\\\/www.fotolab.cz\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/11\\\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_-150x150.jpg\",\"description\":\"Sony A7 Mark IV je netrp\\u011bliv\\u011b o\\u010dek\\u00e1van\\u00fd n\\u00e1stupce dnes ji\\u017e legend\\u00e1rn\\u00edho modelu Sony A7 Mark III. Ten v dob\\u011b uveden\\u00ed dok\\u00e1zal nab\\u00eddnout nekompromisn\\u00ed v\\u00fdkon za skv\\u011bl\\u00e9 pen\\u00edze. P\\u0159ibl\\u00ed\\u017eil tak full-frame fotografii a profesion\\u00e1ln\\u00ed video \\u0161irok\\u00e9 \\u0159ad\\u011b fotograf\\u016f. Povede se novince nav\\u00e1zat na \\u00fasp\\u011bch jeho p\\u0159edch\\u016fdce? Sony A7 Mark IV Technick\\u00e9 specifikace Typ fotoapar\\u00e1tu: Mirrorless Bajonet:...\",\"offers\":{\"@type\":\"Offer\",\"price\":\"0.00\",\"priceCurrency\":\"$\",\"seller\":{\"@type\":\"Person\",\"name\":\"Stanislav Mach\"}},\"review\":{\"@type\":\"Review\",\"reviewRating\":{\"@type\":\"Rating\",\"bestRating\":\"10\",\"worstRating\":\"0\",\"ratingValue\":\"9.21\"},\"name\":\"Bodov\\u00e9 hodnocen\\u00ed: Sony A7 IV\",\"reviewBody\":\"Sony A7 Mark IV je netrp\\u011bliv\\u011b o\\u010dek\\u00e1van\\u00fd n\\u00e1stupce dnes ji\\u017e legend\\u00e1rn\\u00edho modelu Sony A7 Mark III. Ten v dob\\u011b uveden\\u00ed dok\\u00e1zal nab\\u00eddnout nekompromisn\\u00ed v\\u00fdkon za skv\\u011bl\\u00e9 pen\\u00edze. P\\u0159ibl\\u00ed\\u017eil tak full-frame fotografii a profesion\\u00e1ln\\u00ed video \\u0161irok\\u00e9 \\u0159ad\\u011b fotograf\\u016f. Povede se novince nav\\u00e1zat na \\u00fasp\\u011bch jeho p\\u0159edch\\u016fdce?\\r\\n\\r\\nSony A7 Mark IV Technick\\u00e9 specifikace\\r\\nTyp fotoapar\\u00e1tu: Mirrorless\\r\\nBajonet: Sony E\\r\\nObrazov\\u00fd sn\\u00edma\\u010d: Full-frame BSI CMOS\\r\\nProcesor: BIONZ XR\\r\\nEfektivn\\u00ed rozli\\u0161en\\u00ed: 33 Mpix\\r\\nSloty pro pam\\u011b\\u0165ovou kartu: 2 sloty, 1x Cfexpress A\\\/SD UHS-II a 1x SD UHS-II\\r\\nHled\\u00e1\\u010dek: OLED, 3,69 MPix, 60fps\\\/120fps, zv\\u011bt\\u0161en\\u00ed 0,78x, pokryt\\u00ed 100%\\r\\nTypy z\\u00e1v\\u011brky: Mechanick\\u00e1, Elektronick\\u00e1 prvn\\u00ed lamela, elektronick\\u00e1 z\\u00e1v\\u011brka\\r\\nSynchroniza\\u010dn\\u00ed \\u010das pro blesk: 1\\\/250 s\\r\\nSekven\\u010dn\\u00ed sn\\u00edman\\u00ed: 6 sn.\\\/s bez komprese, 10 sn.\\\/s JPEG\\\/HEIF\\\/komprimovan\\u00fd RAW\\r\\nRozsah m\\u011b\\u0159en\\u00ed expozice a automatick\\u00e9ho ost\\u0159en\\u00ed: od -4EV\\r\\nMno\\u017estv\\u00ed AF bod\\u016f: 798\\r\\nCitlivost ISO: 100 a\\u017e 51200 nativn\\u011b\\r\\nStabilizace: Stabilizovan\\u00fd sn\\u00edma\\u010d \\u2013 a\\u017e 5,5 EV dle CIPA\\r\\nLCD monitor: V\\u00fdklopn\\u00fd, oto\\u010dn\\u00fd, dotykov\\u00fd, cca 1,04M bod\\u016f\\r\\nNat\\u00e1\\u010den\\u00ed vide\\u00ed: 4K 60p v Super35 crop, 4K 30p (7K oversampling), 10-bit S-Log3 4:2:2 intern\\u011b\\r\\nKonektivita: USB-C, MicroUSB, HDMI (standardn\\u00ed, velk\\u00e9), mic jack, sluch\\u00e1tkov\\u00fd jack, Bluetooth, Wi-Fi 2,4GHz + 5GHz\\r\\nV\\u00fddr\\u017e baterie dle CIPA: 580 sn.\\r\\nMateri\\u00e1l t\\u011bla: Ho\\u0159\\u010d\\u00edk, ut\\u011bsn\\u011bn\\u00ed proti prachu a vod\\u011b\\r\\nRozm\\u011bry (\\u0160\\u00d7V\\u00d7H): 131 x 96 x 80 mm\\r\\nHmotnost: Zm\\u011b\\u0159eno \\u2013 665 g (s bateri\\u00ed, 2x SD karta)\\r\\nCena: Aktu\\u00e1ln\\u00ed cenu najdete v e-shopu Fotolab.cz\\r\\nKonstrukce a ovl\\u00e1d\\u00e1n\\u00ed\\r\\nUt\\u011bsn\\u011bn\\u00e9 ho\\u0159\\u010d\\u00edkov\\u00e9 t\\u011blo Sony A7 Mark IV vych\\u00e1z\\u00ed z model\\u016f Sony A7S Mark III a Sony Alpha A1. Je perfektn\\u011b zpracovan\\u00e9 a p\\u016fsob\\u00ed byteln\\u011b. Grip se zv\\u011bt\\u0161il, ale na ten, kter\\u00fd pou\\u017e\\u00edv\\u00e1 nap\\u0159\\u00edklad Canon R5 nebo R6 st\\u00e1le nem\\u00e1. Jeho tvar i velikost jsou naprosto v po\\u0159\\u00e1dku, ale prostor mezi gripem a bajoneten je o dva milimetry men\\u0161\\u00ed, ne\\u017e bych pot\\u0159eboval. Fotoapar\\u00e1t jsem testoval s objektivy Sony FE 12-24 mm f\\\/2,8 GM, Sony FE 24-70 mm f\\\/2,8 GM a Sony FE 35 mm f\\\/1,4 GM. S pevn\\u00fdm 35 mm objektivem nen\\u00ed probl\\u00e9m, ale o prvn\\u00ed dva zmi\\u0148ovan\\u00e9 se mi op\\u00edr\\u00e1 kloub na prstech a u\\u017e po hodin\\u011b focen\\u00ed to bylo zn\\u00e1t. Na druhou stranu m\\u00e1m dost velk\\u00e9 ruce a nejlep\\u0161\\u00ed bude si p\\u0159\\u00edstroj osobn\\u011b vyzkou\\u0161et.\\r\\n\\r\\n\\r\\n\\r\\nJinak nem\\u00e1m k ergonomii a zpracov\\u00e1n\\u00ed jedinou v\\u00fdtku. Ovl\\u00e1dac\\u00ed prvky Sony A7 Mark IV jsou rozm\\u00edst\\u011bn\\u00e9 logicky, maj\\u00ed dobrou velikost, pot\\u011b\\u0161\\u00ed vylep\\u0161en\\u00fd joystick, kter\\u00fd je radost pou\\u017e\\u00edvat. P\\u0159ekvap\\u00ed i celkem \\u010dtve\\u0159ice kole\\u010dek. Kole\\u010dko korekce expozice se toti\\u017e u Sony A7 Mark IV zm\\u011bnilo na univerz\\u00e1ln\\u00ed oto\\u010dn\\u00fd voli\\u010d, kter\\u00fd ji\\u017e nem\\u00e1 ozna\\u010den\\u00e9 hodnoty EV. M\\u016f\\u017eete na n\\u011bj nastavit n\\u011bkterou z deseti funkc\\u00ed. Celkov\\u00e9 mo\\u017enosti p\\u0159izp\\u016fsoben\\u00ed jsou bohat\\u00e9. Nejenom, \\u017ee jsou odd\\u011blen\\u00e1 nastaven\\u00ed pro re\\u017eim nat\\u00e1\\u010den\\u00ed vide\\u00ed a pro fotografii, ale m\\u016f\\u017eete zvolit odli\\u0161n\\u00e1 nastaven\\u00ed i pro jednotliv\\u00e9 expozi\\u010dn\\u00ed re\\u017eimy, kdy se m\\u016f\\u017ee fotoapar\\u00e1t chovat jinak v manu\\u00e1ln\\u00edm re\\u017eimu (M) a jinak nap\\u0159\\u00edklad v priorit\\u011b clony (A).&nbsp;\\r\\n\\r\\n\\r\\n\\r\\nNa lev\\u00e9 stran\\u011b p\\u0159\\u00edstroje najdete konektorovou v\\u00fdbavu, kde Sony nasadilo HDMI v pln\\u00e9 velikosti, p\\u0159ipojen\\u00ed mikrofonu a sluch\\u00e1tek je pak samoz\\u0159ejmost\\u00ed. Pro nap\\u00e1jen\\u00ed a komunikaci m\\u016f\\u017eete vyu\\u017e\\u00edt jak modern\\u00ed USB-C PD, tak MicroUSB, kter\\u00e9 zaru\\u010duje kompatibilitu se star\\u0161\\u00edm p\\u0159\\u00edslu\\u0161enstv\\u00edm Sony. Zpracov\\u00e1n\\u00ed dv\\u00ed\\u0159ek konektor\\u016f je absolutn\\u011b bez v\\u00fdhrad, ostatn\\u00ed v\\u00fdrobci by se u Sony mohli u\\u010dit. MicroUSB najde vyu\\u017eit\\u00ed i pro tethering a tak\\u00e9 pro propojen\\u00ed s PC, kdy m\\u016f\\u017ee Sony A7 IV fungovat jako webkamera, a to bez instalace dal\\u0161\\u00edho software.\\r\\n\\r\\n\\r\\n\\r\\nPrav\\u00fd bok p\\u0159\\u00edstroje obsadila dv\\u00ed\\u0159ka s pojistkou, pod kter\\u00fdmi najdete dva sloty na pam\\u011b\\u0165ov\\u00e9 karty. Prvn\\u00ed je kombinovan\\u00fd pro SD UHS-II a CFExpress A (pozor, CFexpress A m\\u00e1 jin\\u00fd rozm\\u011br ne\\u017e CFexpress B) a druh\\u00fd slot si porad\\u00ed s SD UHS-II kartami. Volbu slot\\u016f rozhodn\\u011b oce\\u0148uji. Pohled na ceny karet CFexpress A \\u00fasm\\u011bv nevykouzl\\u00ed a standard SD UHS-II si porad\\u00ed i s nat\\u00e1\\u010den\\u00edm vide\\u00ed ve vysok\\u00e9 kvalit\\u011b.\\r\\n\\r\\nNa spodn\\u00ed stran\\u011b fotoapar\\u00e1tu najdete pevn\\u00e1 dv\\u00ed\\u0159ka, pod kter\\u00fdmi se ukr\\u00fdv\\u00e1 baterie NP-FZ100 s obrovskou v\\u00fddr\\u017e\\u00ed a tak\\u00e9 kontakty pro p\\u0159ipojen\\u00ed gripu Sony VG-C4EM.\\r\\n\\r\\n\\r\\n\\r\\nVelmi v\\u00edtanou novinkou je nasazen\\u00ed rychl\\u00e9ho p\\u0159ep\\u00edna\\u010de mezi focen\\u00edm, nat\\u00e1\\u010den\\u00edm vide\\u00ed a re\\u017eimem S&amp;Q (slow and quick \\u2013 slowmotion a timelapse). Tento p\\u0159ep\\u00edna\\u010d s malou pojistkou v p\\u0159edn\\u00ed \\u010d\\u00e1sti dokonce chyb\\u00ed i na video-orientovan\\u00e9mu Sony A7S Mark III. P\\u0159epnut\\u00edm se zm\\u011bn\\u00ed \\u010d\\u00e1ste\\u010dn\\u011b i struktura menu a nastaven\\u00ed spojen\\u00e1 s dan\\u00fdm re\\u017eimem.\\r\\n\\r\\nJako posledn\\u00ed konstruk\\u010dn\\u00ed novinky si nejde nev\\u0161imnout pln\\u011b oto\\u010dn\\u00e9ho a v\\u00fdklopn\\u00e9ho displeje. Ze strany Sony je to logick\\u00fd krok a fotoapar\\u00e1t je tak pro filma\\u0159e je\\u0161t\\u011b atraktivn\\u011bj\\u0161\\u00ed, ne\\u017e tomu bylo u p\\u0159edchoz\\u00ed generace. Zamrz\\u00ed ov\\u0161em sp\\u00ed\\u0161e ni\\u017e\\u0161\\u00ed kontrast, mal\\u00e9 rozli\\u0161en\\u00ed a tak\\u00e9 jeho n\\u00edzk\\u00e1 obnovovac\\u00ed frekvence \\u2013 obraz p\\u016fsob\\u00ed oproti hled\\u00e1\\u010dku lehce trhan\\u011b. Barvy jsou ale p\\u0159esn\\u00e9, lep\\u0161\\u00ed ne\\u017e u Sony A7 III. I tak se nemohu ubr\\u00e1nit dojmu, \\u017ee na zadn\\u00edm LCD Sony op\\u011bt zbyte\\u010dn\\u011b \\u0161et\\u0159ilo.\\r\\n\\r\\nSituaci zachra\\u0148uje hled\\u00e1\\u010dek, kter\\u00fd je oproti p\\u0159edchoz\\u00ed generaci v\\u00fdrazn\\u011b lep\\u0161\\u00ed. Nab\\u00eddne dobr\\u00e9 rozli\\u0161en\\u00ed 3,69MPix, vysokou obnovovac\\u00ed frekvenci, rychlou odezvu o\\u010dn\\u00edho senzoru, velk\\u00e9 zv\\u011bt\\u0161en\\u00ed a snesiteln\\u00fd blackout. B\\u011bhem sekven\\u010dn\\u00edho sn\\u00edm\\u00e1n\\u00ed se kvalita zobrazen\\u00ed hled\\u00e1\\u010dku m\\u011bn\\u00ed pouze v p\\u0159\\u00edpad\\u011b nastaven\\u00e9 obnovovac\\u00ed frekvence na 120 fps, nen\\u00ed to ale nic, co by ru\\u0161ilo nebo omezovalo p\\u0159i pou\\u017eit\\u00ed.\\r\\n\\r\\n\\r\\n\\r\\nV Sony A7 Mark IV najdete nov\\u011b strukturovan\\u00e9 vertik\\u00e1ln\\u00ed menu. To m\\u00e1 logick\\u00e9 rozm\\u00edst\\u011bn\\u00ed v\\u0161ech nastaven\\u00ed a zorientovat se v n\\u011bm t\\u00e9m\\u011b\\u0159 ned\\u011bl\\u00e1 probl\\u00e9m. Schv\\u00e1ln\\u011b p\\u00ed\\u0161u t\\u00e9m\\u011b\\u0159. \\u010cesk\\u00fd p\\u0159eklad op\\u011bt trp\\u00ed klasick\\u00fdm neduhem p\\u0159\\u00edstroj\\u016f Sony \\u2013 zbyte\\u010dn\\u00fdm zkracov\\u00e1n\\u00ed n\\u00e1zv\\u016f. Menu je tak m\\u00edsty protkan\\u00e9 polo\\u017ekami jako je \\u201eP\\u0159. obl. AF v\\u00fd.\\\/\\u0161\\u00ed.\\u201c. To se d\\u00e1 pochopit s ohledem na omezen\\u00e9 rozm\\u011bry displeje. Co u\\u017e ale nepochop\\u00edm, je to, \\u017ee po rozkliknut\\u00ed nastaven\\u00ed z\\u016fstane n\\u00e1zev funkce ve sv\\u00e9 zkr\\u00e1cen\\u00e9 podob\\u011b a vy tak mus\\u00edte m\\u00edsty h\\u00e1dat, co \\u017ee to vlastn\\u011b nastavujete. \\u010c\\u00e1ste\\u010dn\\u011b pom\\u016f\\u017ee p\\u0159epnut\\u00ed fotoapar\\u00e1tu do angli\\u010dtiny, ale i ta nez\\u016fstala o zkracov\\u00e1n\\u00ed ochuzena.\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\nFunkce a parametry\\r\\nJako hlavn\\u00ed tah\\u00e1k Sony A7 Mark IV vn\\u00edm\\u00e1m hlavn\\u011b nov\\u00fd stabilizovan\\u00fd sn\\u00edma\\u010d se 33MPix a velk\\u00fdm dynamick\\u00fdm rozsahem a\\u017e 15EV. Sn\\u00edma\\u010d je perfektn\\u00ed, jeho stabilizace u\\u017e o n\\u011bco m\\u00e9n\\u011b, ale nebudu p\\u0159edb\\u00edhat. Soubory RAW maj\\u00ed opravdu obrovsk\\u00fd dynamick\\u00fd rozsah a je radost s nimi pracovat. Skok z 24MPix na 33MPix je znateln\\u00fd a je to podle m\\u011b ide\\u00e1ln\\u00ed hodnota s ohledem na velikost soubor\\u016f, n\\u00e1rok\\u016f na v\\u00fdpo\\u010detn\\u00ed v\\u00fdkon a mo\\u017enosti d\\u011blat opravdu velk\\u00e9 tisky nebo v\\u00fd\\u0159ezy. V \\u010dem senzor vylo\\u017een\\u011b exceluje je \\u0161um na vysok\\u00e9 citlivosti. Tady se Sony vyt\\u00e1hlo a j\\u00e1 nem\\u011bl probl\\u00e9m pou\\u017e\\u00edvat ISO12800 jako kdyby to bylo ISO6400 na p\\u0159edchoz\\u00ed generaci Sony A7. S ohledem na nav\\u00fd\\u0161en\\u00ed rozli\\u0161en\\u00ed je to par\\u00e1dn\\u00ed v\\u00fdsledek.\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\nKe sn\\u00edma\\u010di m\\u00e1m jednu jedinou v\\u00fdtku, a to je rychlost \\u010dten\\u00ed a z\\u00e1pisu zachycen\\u00fdch dat. Nejedn\\u00e1 se o vrstven\\u00fd (stacked) senzor a p\\u0159i pou\\u017eit\\u00ed elektronick\\u00e9 z\\u00e1v\\u011brky a nat\\u00e1\\u010den\\u00ed vide\\u00ed je proto zn\\u00e1t rolling shutter efekt \\u2013 svislice jsou p\\u0159i rychlej\\u0161\\u00edm pohybu ze strany na stranu prohnut\\u00e9. Nad pou\\u017eit\\u00edm elektronick\\u00e9 z\\u00e1v\\u011brky je proto nutn\\u00e9 uva\\u017eovat a aktivovat ji opravdu pouze tehdy, kdy fotografujete sp\\u00ed\\u0161e statick\\u00e9 v\\u011bci. Nen\\u00ed to ov\\u0161em \\u017e\\u00e1dn\\u00e1 b\\u00edda, nap\\u0159\\u00edklad u fotoapar\\u00e1tu Canon R6 jsou v\\u00fdsledky naprosto srovnateln\\u00e9. Samotn\\u00e1 mechanick\\u00e1 z\\u00e1v\\u011brka je pom\\u011brn\\u011b hlu\\u010dn\\u00e1, poslechnout si ji m\\u016f\\u017eete tady:\\r\\n\\r\\nhttps:\\\/\\\/www.youtube.com\\\/watch?v=0ynXKfandI0\\r\\n\\r\\nSekven\\u010dn\\u00ed sn\\u00edm\\u00e1n\\u00ed zvl\\u00e1dne fotoapar\\u00e1t rychlost\\u00ed a\\u017e 10 sn.\\\/s. D\\u016fle\\u017eit\\u00e9 je slovo \\u201ea\\u017e\\u201c, proto\\u017ee pro dosa\\u017een\\u00ed t\\u00e9to hodnoty je nutn\\u00e9 pou\\u017e\\u00edt komprimovan\\u00fd RAW. RAW bez komprese nebo s bezztr\\u00e1tovou kompres\\u00ed zpomal\\u00ed fotoapar\\u00e1t na rychlost zhruba 6 sn.\\\/s. D\\u011blal jsem n\\u011bkolik testovac\\u00edch fotografi\\u00ed, kter\\u00e9 jsou zkoumal ve 100% (a 200%) zv\\u011bt\\u0161en\\u00ed. \\u201eZ\\u00edral\\u201c jsem na n\\u011b n\\u011bkolik minut a s klidn\\u00fdm srdcem pak nastavil komprimovan\\u00fd form\\u00e1t. Rozd\\u00edl, a\\u010dkoliv jsem jej v r\\u00e1mci testov\\u00e1n\\u00ed vid\\u011bt cht\\u011bl, jsem nezpozoroval. Respektive se mi nepovedlo dostat p\\u0159\\u00edstroj do podm\\u00ednek, kde by se rozd\\u00edl projevil. Mo\\u017en\\u00e1 byla p\\u0159\\u00edtomna lehk\\u00e1 posterizace, ale ta byla viditeln\\u00e1 p\\u0159i \\u201epushov\\u00e1n\\u00ed\\u201c soubor\\u016f o 3EV a v\\u00edce \\u2013 tedy na hodnoty, na kter\\u00e9 byste se p\\u0159i spr\\u00e1vn\\u00e9m exponov\\u00e1n\\u00ed dostat nem\\u011bli.\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\r\\nKrom\\u011b soubor\\u016f RAW a oblig\\u00e1tn\\u00edho form\\u00e1tu JPEG podporuje Sony A7IV ukl\\u00e1d\\u00e1n\\u00ed i do komprimovan\\u00fdch soubor\\u016f HEIF. Na jejich roz\\u0161\\u00ed\\u0159en\\u00ed si je\\u0161t\\u011b budeme muset po\\u010dkat, ale nab\\u00eddnou v\\u011bt\\u0161\\u00ed flexibilitu a rozsah barev ne\\u017e JPEG. Ten je v\\u017edy ulo\\u017een v 8-bit, HEIF pot\\u00e9 v 10-bit.\\r\\n\\r\\nJak jsem psal v\\u00fd\\u0161e, sn\\u00edma\\u010d fotoapar\\u00e1tu je stabilizovan\\u00fd. Sony ud\\u00e1v\\u00e1 \\u00fa\\u010dinnost a\\u017e 5,5EV, ale na tuto hodnotu jsem se nikdy nedostal. Re\\u00e1ln\\u00e1 hodnota je kolem 2EV a\\u017e 3EV. Stabilizace se tak \\u0159ad\\u00ed sp\\u00ed\\u0161e mezi ty slab\\u0161\\u00ed a je to zn\\u00e1t i p\\u0159i nat\\u00e1\\u010den\\u00ed vide\\u00ed z ruky.\\r\\nSony A7 Mark IV v praxi\\r\\nV\\u0161echna nastaven\\u00ed a ergonomie fotoapar\\u00e1tu je z m\\u00e9ho pohledu prakticky bez v\\u00fdtek. Snad a\\u017e na prostor mezi gripem a objektivem, jsem nem\\u011bl nikdy pocit, \\u017ee by m\\u011b p\\u0159\\u00edstroj jakkoliv omezoval. Ovl\\u00e1d\\u00e1n\\u00ed je intuitivn\\u00ed a je vid\\u011bt, \\u017ee se Sony dost\\u00e1v\\u00e1 mal\\u00fdmi kr\\u016f\\u010dky k ide\\u00e1ln\\u00edmu rozlo\\u017een\\u00ed v\\u0161ech ovl\\u00e1dac\\u00edch prvk\\u016f. V\\u00edtanou zm\\u011bnou je i prohozen\\u00ed funk\\u010dn\\u00edho tla\\u010d\\u00edtka se spu\\u0161t\\u011bn\\u00edm nahr\\u00e1v\\u00e1n\\u00ed, kter\\u00e9 se za zadn\\u00ed strany p\\u0159esunulo na tu horn\\u00ed. Spole\\u010dn\\u011b s oto\\u010dn\\u00fdm displejem je tak zm\\u011bna um\\u00edst\\u011bn\\u00ed ide\\u00e1ln\\u00ed pro vlogging, kdy nemus\\u00edte tla\\u010d\\u00edtko record hledat poslepu.\\r\\nCo ur\\u010dit\\u011b p\\u0159ekvap\\u00ed je v\\u00fddr\\u017e baterie. Dostat se na v\\u00fdrobcem ud\\u00e1van\\u00fdch 580 sn\\u00edmk\\u016f nen\\u00ed probl\\u00e9m a j\\u00e1 jsem akumul\\u00e1tor nab\\u00edjel po vyfocen\\u00ed zhruba 1200 fotografi\\u00ed. Je to trend naprost\\u00e9 v\\u011bt\\u0161iny sou\\u010dasn\\u00fdch bezzrcadlovek a tak\\u00e9 d\\u016fkazem toho, \\u017ee by se m\\u011bla zm\\u011bnit metodika m\\u011b\\u0159en\\u00ed tohoto parametru.\\r\\n\\r\\n\\r\\nAutomatick\\u00e9 ost\\u0159en\\u00ed\\r\\nOst\\u0159en\\u00ed fotoapar\\u00e1tu je kapitolou samo o sob\\u011b. I kdy\\u017e jsem jej vystavil velmi n\\u00e1ro\\u010dn\\u00fdm podm\\u00ednk\\u00e1m, ost\\u0159en\\u00ed nev\\u00e1halo, a zvl\\u00e1dlo s p\\u0159ehledem sledovat rychle pohybuj\\u00edc\\u00ed se c\\u00edle. Jedin\\u00fd probl\\u00e9m d\\u011blal fotoapar\\u00e1tu pohyb, kdy se subjekt vzdaloval. To je ale v\\u011bc, kterou ve skute\\u010dnosti zvl\\u00e1d\\u00e1 minimum p\\u0159\\u00edstroj\\u016f na trhu.\\r\\n\\r\\n\\r\\n\\r\\nOst\\u0159en\\u00ed m\\u00e1 bohat\\u00e1 nastaven\\u00ed. M\\u016f\\u017eete si podle sv\\u00fdch pot\\u0159eb vybrat, jestli chcete ost\\u0159it na bod nebo v\\u011bt\\u0161\\u00ed dynamickou oblast. Posledn\\u00ed generace Sony Real-Time Tracking vyu\\u017e\\u00edv\\u00e1 um\\u011blou inteligenci a strojov\\u00e9 u\\u010den\\u00ed. Zvl\\u00e1dne tak sledovat o\\u010di nejenom lid\\u00ed, ale i zv\\u00ed\\u0159at a pt\\u00e1k\\u016f. Tracking jsem testoval na n\\u00e1ro\\u010dn\\u00e9m subjektu \\u2013 m\\u00e9m \\u010dern\\u00e9m psovi. Nebudu tvrdit, \\u017ee bylo zaost\\u0159eno 100% fotografi\\u00ed, ale i tak byly v\\u00fdsledky p\\u0159esv\\u011bd\\u010div\\u00e9 s minimem odpadu. Kdo by cht\\u011bl t\\u00e9m\\u011b\\u0159 dokonal\\u00fd syst\\u00e9m ost\\u0159en\\u00ed, bude muset s\\u00e1hnout po modelu Sony A9 Mark II. Ten je mimochodem lep\\u0161\\u00ed i ve \\u0161patn\\u00e9m sv\\u011btle, kde testovan\\u00fd Sony A7 Mark IV s ud\\u00e1van\\u00fdm rozsahem od -4EV p\\u0159i f2 za\\u010d\\u00edn\\u00e1 lehce v\\u00e1hat. St\\u00e1le se ale jedn\\u00e1 o jeden z nejl\\u00e9pe ost\\u0159\\u00edc\\u00edch fotoapar\\u00e1t\\u016f na trhu. Oproti p\\u0159edchoz\\u00ed generaci nav\\u00edc funguje ost\\u0159en\\u00ed i p\\u0159i clon\\u011b f\\\/22, kde A7 III zvl\\u00e1dla jen f\\\/11.\\r\\n\\r\\n\\r\\nS\\u00e9riov\\u00e9 sn\\u00edm\\u00e1n\\u00ed a vyrovn\\u00e1vac\\u00ed pam\\u011b\\u0165\\r\\nJe\\u0161t\\u011b bych se r\\u00e1d na chv\\u00edli vr\\u00e1til k sekven\\u010dn\\u00edmu sn\\u00edm\\u00e1n\\u00ed. To, \\u017ee je maxim\\u00e1ln\\u00ed rychlost 10 sn.\\\/s jsem ji\\u017e zmi\\u0148oval. Dopad nastaven\\u00ed form\\u00e1tu (JPEG\\\/RAW) na rychlost je znateln\\u00fd, je tady ale je\\u0161t\\u011b jedna v\\u011bc, kter\\u00e1 ovliv\\u0148uje rychlost \\u2013 pam\\u011b\\u0165ov\\u00e1 karta. Na 10 sn.\\\/s jsem se toti\\u017e p\\u0159i pou\\u017eit\\u00ed UHS-II SD karty dostal pouze p\\u0159i nastaven\\u00ed na JPEG nebo HEIF. P\\u0159i nastaven\\u00ed na komprimovan\\u00fd RAW se s SD kartou sn\\u00edm\\u00e1n\\u00ed dr\\u017e\\u00ed maxim\\u00e1ln\\u011b okolo 8 sn.\\\/s. A\\u017e p\\u0159i pou\\u017eit\\u00ed CFExpress A karty dok\\u00e1\\u017ee Sony A7 Mark IV doc\\u00edlit maxim\\u00e1ln\\u00ed rychlosti 10 sn.\\\/s. CFexpress kartu jsem bohu\\u017eel b\\u011bhem testov\\u00e1n\\u00ed nem\\u011bl k dispozici a nedok\\u00e1\\u017eu proto \\u0159\\u00edci, jak se bude chovat fotoapar\\u00e1t nap\\u0159\\u00edklad p\\u0159i nastaven\\u00ed ukl\\u00e1d\\u00e1n\\u00ed na ob\\u011b karty z\\u00e1rove\\u0148 \\u2013 CFexpress A um\\u00ed toti\\u017e A7IV jenom v jednom slotu.\\r\\n\\r\\nSe sekven\\u010dn\\u00edm sn\\u00edm\\u00e1n\\u00edm se \\u00fazce poj\\u00ed i velikost bufferu. Ta je v p\\u0159\\u00edpad\\u011b pou\\u017eit\\u00ed SD UHS-II limituj\\u00edc\\u00ed a fotoapar\\u00e1t v\\u00fdrazn\\u011b zpomal\\u00ed po zhruba 24 sn\\u00edmc\\u00edch. U\\u017e je to sice n\\u011bjak\\u00fd ten p\\u00e1tek, co jsem fotografoval se Sony A7 III, ale pamatuji se, \\u017ee fotila 10 sn.\\\/s nehled\\u011b na nastaven\\u00ed form\\u00e1tu a buffer pojal necelou \\u010dty\\u0159ic\\u00edtku fotografi\\u00ed. Na jednu stranu se m\\u016f\\u017eeme odvolat na v\\u011bt\\u0161\\u00ed mno\\u017estv\\u00ed megapixel\\u016f (24 vs 33 Mpix), ale na stranu druhou pou\\u017e\\u00edv\\u00e1 \\u010dtvrt\\u00e1 generace Sony A7 procesor BIONZ XR a startuje na vy\\u0161\\u0161\\u00ed cen\\u011b \\u2013 \\u010dekal jsem p\\u0159esv\\u011bd\\u010div\\u011bj\\u0161\\u00ed \\u010d\\u00edsla a jsem zv\\u011bdav\\u00fd na v\\u00fdsledky p\\u0159i pou\\u017eit\\u00ed rychl\\u00e9 CFexpress karty.\\r\\n\\r\\nN\\u011bco jin\\u00e9ho jsou ale technick\\u00e9 parametry a n\\u011bco jin\\u00e9ho je praxe. Rozd\\u00edl mezi nekomprimovan\\u00fdmi RAWy a komprimovan\\u00fdmi je zanedbateln\\u00fd. M\\u016f\\u017eete proto podle pot\\u0159eby nastaven\\u00ed m\\u011bnit. Nap\\u0159\\u00edklad na produkt nebo portr\\u00e9t v ateli\\u00e9ru 6sn.\\\/s sta\\u010d\\u00ed a\\u017e nad hlavu.&nbsp; Tento \\\"neduh\\\" podle m\\u011b nebude nikoho v re\\u00e1ln\\u00e9m sv\\u011bt\\u011b (mimo internet) v\\u00fdrazn\\u011b omezovat. To stejn\\u00e9 plat\\u00ed i naopak, kdy nap\\u0159\\u00edklad ve sportovn\\u00ed fotografii nikdo detaily zkoumat nebude, a 10 sn.\\\/s sta\\u010d\\u00ed. Kdo chce v\\u00edce, mus\\u00ed vybrat jin\\u00fd lep\\u0161\\u00ed fotoapar\\u00e1t.\\r\\n\\r\\n\\r\\nNat\\u00e1\\u010den\\u00ed vide\\u00ed\\r\\nO rychl\\u00e9m voli\\u010di pro zm\\u011bnu re\\u017eim\\u016f pro nat\\u00e1\\u010den\\u00ed a focen\\u00ed jsem u\\u017e mluvil, o v\\u00fdklopn\\u00e9m a oto\\u010dn\\u00e9m LCD tak\\u00e9. Ob\\u011b tyto zm\\u011bny jdou vst\\u0159\\u00edc fotograf\\u016fm, a hlavn\\u011b tv\\u016frc\\u016fm vide\\u00ed a vlogger\\u016fm. V ot\\u00e1zce konektivity Sony nasadilo velk\\u00e9 HDMI a tak\\u00e9 nov\\u00fd typ hot-shoe, kter\\u00e9 je vybaven\\u00e9 \\u0159adou kontakt\\u016f, kter\\u00e9 umo\\u017e\\u0148uj\\u00ed pou\\u017eit\\u00ed speci\\u00e1ln\\u00edho p\\u0159\\u00edslu\\u0161enstv\\u00ed. Mezi n\\u011b pat\\u0159\\u00ed nap\\u0159\\u00edklad i adapt\\u00e9r pro pou\\u017eit\\u00ed XLR mikrofonu. Krom\\u011b toho m\\u016f\\u017eete k fotoapar\\u00e1tu p\\u0159ipojit sluch\\u00e1tka pro odposlech a standardn\\u00ed mikrofon \\u2013 pou\\u017eity jsou konektory b\\u011b\\u017en\\u00e9 velikosti.\\r\\n\\r\\nV\\u0161ichni sice u Sony A7 Mark IV doufali v 4K60p video p\\u0159i \\u010dten\\u00ed dat z cel\\u00e9ho \\u010dipu, spokojit se ale mus\\u00edme s o\\u0159ezem na form\\u00e1t Super 35 s 1,5x faktorem o\\u0159ezu. D\\u00edky tomu, \\u017ee fotoapar\\u00e1t nevyu\\u017e\\u00edv\\u00e1 celou plochu \\u010dipu, nen\\u00ed v tomto re\\u017eimu tolik zn\\u00e1t efekt rolling shutter. Ten se za\\u010dne v\\u00fdrazn\\u011bji projevovat p\\u0159i nastaven\\u00ed 4K25p, kter\\u00e9 je oversamplovan\\u00e9 ze 7K rozli\\u0161en\\u00ed. Rolling shutter efektu se nejl\\u00e9pe zbav\\u00edte p\\u0159epnut\\u00edm do FullHD p\\u0159i 50fps. Nutno ale podotknout, \\u017ee intern\\u011b nat\\u00e1\\u010den\\u00e9 4K 30p 10bit 4:2:2 video v 200Mbit vypad\\u00e1 n\\u00e1dhern\\u011b. Ostrost je uk\\u00e1zkov\\u00e1, dynamick\\u00fd rozsah d\\u00e1v\\u00e1 obrovskou flexibilitu v postprodukci a d\\u00edky 10 bit barv\\u00e1m se nemus\\u00edte ob\\u00e1vat pou\\u017e\\u00edvat ploch\\u00fd barevn\\u00fd profil S-Log3 i v n\\u00e1ro\\u010dn\\u011b sv\\u00edcen\\u00fdch sc\\u00e9n\\u00e1ch.\\r\\n\\r\\n\\r\\n\\r\\nK o\\u0159ezu bohu\\u017eel doch\\u00e1z\\u00ed i v re\\u017eimu S&amp;Q pro nat\\u00e1\\u010den\\u00ed zpomalen\\u00fdch z\\u00e1b\\u011br\\u016f nebo timelapse. Co ale naopak pot\\u011b\\u0161\\u00ed je p\\u0159eh\\u0159\\u00edv\\u00e1n\\u00ed, tedy sp\\u00ed\\u0161e kvalitn\\u00ed odvod tepla a v\\u00fddr\\u017e p\\u0159\\u00edstroje. Testoval jsem tak, \\u017ee jsem fotoapar\\u00e1t um\\u00edstil na stativ a postavil jej co nejbl\\u00ed\\u017ee zapnut\\u00e9ho \\u00fast\\u0159edn\\u00edho topen\\u00ed, ze kter\\u00e9ho s\\u00e1lalo horko. P\\u0159i nastaven\\u00e9 maxim\\u00e1ln\\u00ed mo\\u017en\\u00e9 kvality intern\\u00edho z\\u00e1znamu se nat\\u00e1\\u010den\\u00ed zastavilo a\\u017e po cca 35 minut\\u00e1ch, co\\u017e pova\\u017euji za perfektn\\u00ed v\\u00fdsledek. Nav\\u00edc m\\u016f\\u017eete v menu nastavit v\\u011bt\\u0161\\u00ed toleranci na vysokou teplotu p\\u0159\\u00edstroje, kde je jedin\\u00fdm omezen\\u00edm kapacita baterie (Menu 49\\\/53, Tepl. auto. vyp. nap. na Vysok\\u00e1). Ta mimochodem p\\u0159ekvapila svou v\\u00fddr\\u017e\\u00ed i p\\u0159i nat\\u00e1\\u010den\\u00ed, procesor BIONZ XR se ukazuje jako \\u00fasporn\\u00fd a v\\u00fdkonn\\u00fd.\\r\\n\\r\\nNovinkou v portfoliu Sony je automatick\\u00e1 korekce negativn\\u00edho jevu \\u201efocus breathing\\u201c. To je v\\u011bc, kter\\u00e1 se projevuje b\\u011bhem p\\u0159eost\\u0159ov\\u00e1n\\u00ed, a to lehkou zm\\u011bnou ohniskov\\u00e9 vzd\\u00e1lenosti. Jedn\\u00e1 se vlastn\\u011b o formu digit\\u00e1ln\\u00edho o\\u0159ezu, kter\\u00fd je na m\\u00edru nastaven\\u00fd p\\u0159\\u00edmo pro objektivy Sony. Je to u\\u017eite\\u010dn\\u00e1 funkce, kter\\u00e1 uleh\\u010d\\u00ed a zrychl\\u00ed pracovn\\u00ed workflow.\\r\\n\\r\\nMezi posledn\\u00ed inovace pat\\u0159\\u00ed funkce \\u201efocus map\\u201c a aktivn\\u00ed stabilizace. Focus map je asistent manu\\u00e1ln\\u00edho ost\\u0159en\\u00ed, kter\\u00fd funguje tak, \\u017ee barevn\\u011b zv\\u00fdraz\\u0148uje rozost\\u0159en\\u00e9 oblasti v pop\\u0159ed\\u00ed a v pozad\\u00ed zaost\\u0159en\\u00e9ho subjektu. Nehod\\u00ed se p\\u0159\\u00edli\\u0161 pro komponov\\u00e1n\\u00ed, ale focus pulling je d\\u00edky t\\u00e9to funkci mnohem snaz\\u0161\\u00ed, ne\\u017e kdybyste pou\\u017e\\u00edvali nap\\u0159\\u00edklad focus peaking. Kr\\u00e1tk\\u00e9 video funkci Focus map p\\u0159ibl\\u00ed\\u017e\\u00ed v\\u00edce:\\r\\n\\r\\nhttps:\\\/\\\/www.youtube.com\\\/watch?v=U5NQbFbGXm0\\r\\n\\r\\nAktivn\\u00ed stabilizace je v\\u011bc v\\u0161em dokonale zn\\u00e1m\\u00e1 a jedn\\u00e1 se o digit\\u00e1ln\\u00ed o\\u0159ez, kter\\u00fd se hod\\u00ed p\\u0159i nat\\u00e1\\u010den\\u00ed z ruky. Osobn\\u011b nejsem fanou\\u0161ek jak zabudovan\\u00e9 stabilizace, tak t\\u00e9 digit\\u00e1ln\\u00ed. Obraz plave, nep\\u016fsob\\u00ed p\\u0159irozen\\u00e9 a m\\u00edsty je d\\u00edky stabilizaci podivn\\u011b trhan\\u00fd \\u2013 gimbal nebo stativ je podle m\\u011b u Sony A7 IV t\\u00e9m\\u011b\\u0159 nutnost\\u00ed.\\r\\n\\r\\n\\r\\nZ\\u00e1v\\u011br a hodnocen\\u00ed\\r\\nSony A7 Mark IV je v hierarchii full-frame p\\u0159\\u00edstroj\\u016f Sony z\\u00e1kladn\\u00edm modelem. Pohled do tabulky technick\\u00fdch parametr\\u016f (a tak\\u00e9 na cenovku) ale potvrzuje, \\u017ee nov\\u00e1 generace p\\u0159\\u00edstroje m\\u00ed\\u0159\\u00ed mnohem v\\u00fd\\u0161e. Ostatn\\u011b i Sony ozna\\u010duje nov\\u00fd model jako \\u201eBeyond basic\\u201c \\u2013 voln\\u011b p\\u0159elo\\u017eeno jako \\u201ev\\u00edce ne\\u017e jen z\\u00e1klad\\u201c. Sony A7 Mark IV se bude prod\\u00e1vat soub\\u011b\\u017en\\u011b s t\\u0159et\\u00ed generac\\u00ed p\\u0159\\u00edstroje Sony A7 III, kter\\u00e1 m\\u00e1 st\\u00e1le co \\u0159\\u00edct a st\\u00e1v\\u00e1 se tak skute\\u010dn\\u00fdm vstupem do full-frame sv\\u011bta bajonetu E.\\r\\n\\r\\nSony A7 Mark IV m\\u00e1 sice p\\u00e1r negativ, ale celkov\\u011b se jedn\\u00e1 funkcemi nabit\\u00fd v\\u00fdkonn\\u00fd p\\u0159\\u00edstroj s rychl\\u00fdm spolehliv\\u00fdm ost\\u0159en\\u00edm, kter\\u00fd m\\u00e1 nav\\u00edc podle m\\u011b v sou\\u010dasnosti jeden z nejlep\\u0161\\u00edch sn\\u00edma\\u010d\\u016f na trhu. Focen\\u00ed do 33MPix spole\\u010dn\\u011b s velmi n\\u00edzkou hladinou \\u0161umu i na \\u201enesmysln\\u00e9\\u201c hodnoty ISO je n\\u00e1vykov\\u00e9. Negativa se t\\u00fdkaj\\u00ed rychlosti z\\u00e1visl\\u00e9 na nastaven\\u00e9m form\\u00e1tu a pou\\u017eit\\u00e9 pam\\u011b\\u0165ov\\u00e9 kart\\u011b. Zamrz\\u00ed i velikosti bufferu, ale zde je naprosto z\\u0159ejm\\u00e9, \\u017ee Sony by nasazen\\u00edm vy\\u0161\\u0161\\u00ed rychlosti a v\\u011bt\\u0161\\u00edho bufferu mohlo zbyte\\u010dn\\u011b omezovat prodeje \\\"sportovn\\u00edho\\\" modelu Sony A9 Mark II. Zn\\u00e1t je i rolling shutter b\\u011bhem nat\\u00e1\\u010den\\u00ed a p\\u0159i focen\\u00ed s elektronickou z\\u00e1v\\u011brkou. Budu se ale opakovat \\u2013 Na toto m\\u00e1 Sony odpov\\u011b\\u010f v modelech A1 a A9. Pokud v\\u00e1m \\u017e\\u00e1dn\\u00e1 z t\\u011bchto v\\u011bc\\u00ed nep\\u0159ijde jako p\\u0159ek\\u00e1\\u017eka pro va\\u0161i pr\\u00e1ci, se Sony A7 Mark IV nem\\u016f\\u017eete ud\\u011blat chybu.\",\"author\":{\"@type\":\"Person\",\"name\":\"Stanislav Mach\"},\"datePublished\":\"2021-11-23\"}}<\/script>\n\t\n","protected":false},"excerpt":{"rendered":"<p>Sony A7 Mark IV je netrp\u011bliv\u011b o\u010dek\u00e1van\u00fd n\u00e1stupce dnes ji\u017e legend\u00e1rn\u00edho modelu Sony A7 Mark III. Ten v&nbsp;dob\u011b uveden\u00ed dok\u00e1zal nab\u00eddnout nekompromisn\u00ed v\u00fdkon za skv\u011bl\u00e9 pen\u00edze. P\u0159ibl\u00ed\u017eil tak full-frame fotografii a&nbsp;profesion\u00e1ln\u00ed video \u0161irok\u00e9 \u0159ad\u011b fotograf\u016f. Povede se novince nav\u00e1zat na \u00fasp\u011bch jeho p\u0159edch\u016fdce?<\/p>\n","protected":false},"author":279,"featured_media":46940,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[559,18,241],"tags":[547,228,305,242,252,1874],"class_list":["post-46917","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fotolab-fotoradce","category-novinky","category-recenze","tag-bezzrcadlovka","tag-csc","tag-fotoaparat","tag-recenze","tag-sony","tag-sony-a7-iv"],"wppr_data":{"cwp_meta_box_check":"Yes","cwp_rev_product_name":"Bodov\u00e9 hodnocen\u00ed: Sony A7 IV","_wppr_review_template":"default","cwp_rev_product_image":"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/11\/a8da35e0-3278-11ec-9fdf-0f49002706df.cf_.jpg","cwp_image_link":"image","wppr_links":{"Zobrazit v e-shopu":"https:\/\/www.fotolab.cz\/produkt\/sony-a7-mark-iv-telo"},"cwp_rev_price":"","wppr_pros":["Perfektn\u00ed sn\u00edma\u010d s minimem \u0161umu a 15EV","Kvalitn\u00ed ut\u011bsn\u011bn\u00e9 t\u011blo","5-os\u00e1 stabilizace","10bit 4:2:2 4K video","Dobr\u00e1 v\u00fddr\u017e baterie","Spolehliv\u00e9 a chytr\u00e9 ost\u0159en\u00ed","Nahr\u00e1v\u00e1n\u00ed bez p\u0159eh\u0159\u00edv\u00e1n\u00ed","V\u00fdklopn\u00fd oto\u010dn\u00fd displej","Velk\u00e9 HDMI","Konektivita"],"wppr_cons":["10 sn.\/s pouze v komprimovan\u00e9m RAW s CFExpress kartou","Hor\u0161\u00ed kvalita zadn\u00edho LCD","Ob\u010das zmaten\u00e9 popisky v menu","Rolling shutter ve videu a p\u0159i focen\u00ed s el. z\u00e1v.","4K60p pouze v Super35 cropu","Men\u0161\u00ed buffer","","","",""],"wppr_rating":"92.14","wppr_options":{"1":{"name":"Obrazov\u00e1 kvalita\/sn\u00edma\u010d","value":"100"},"2":{"name":"Ost\u0159en\u00ed","value":"90"},"3":{"name":"Video","value":"90"},"4":{"name":"Konstrukce","value":"95"},"5":{"name":"Ergonomie a ovl\u00e1d\u00e1n\u00ed","value":"90"},"6":{"name":"Dal\u0161\u00ed v\u00fdbava a funkce","value":"90"},"7":{"name":"Pom\u011br cena\/v\u00fdkon","value":"90"}},"wppr_review_type":"Product","wppr_review_custom_fields":{"additionalProperty":"","additionalType":"","aggregateRating":"","alternateName":"","audience":"","award":"","awards":"","brand":"","category":"","color":"","depth":"","description":"","disambiguatingDescription":"","gtin12":"","gtin13":"","gtin14":"","gtin8":"","height":"","identifier":"","image":"","isAccessoryOrSparePartFor":"","isConsumableFor":"","isRelatedTo":"","isSimilarTo":"","itemCondition":"","logo":"","mainEntityOfPage":"","manufacturer":"","material":"","model":"","mpn":"","name":"","offers":"","potentialAction":"","productID":"","productionDate":"","purchaseDate":"","releaseDate":"","review":"","reviews":"","sameAs":"","sku":"","slogan":"","subjectOf":"","url":"","weight":"","width":""}},"_links":{"self":[{"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts\/46917"}],"collection":[{"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/users\/279"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/comments?post=46917"}],"version-history":[{"count":10,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts\/46917\/revisions"}],"predecessor-version":[{"id":49826,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts\/46917\/revisions\/49826"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/media\/46940"}],"wp:attachment":[{"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/media?parent=46917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/categories?post=46917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/tags?post=46917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}