{"id":40774,"date":"2021-03-02T18:31:59","date_gmt":"2021-03-02T17:31:59","guid":{"rendered":"https:\/\/www.fotolab.cz\/blog\/?p=40774"},"modified":"2021-03-15T12:45:11","modified_gmt":"2021-03-15T11:45:11","slug":"fotograficke-blesky-a-jejich-vyuziti-v-praxi","status":"publish","type":"post","link":"https:\/\/www.fotolab.cz\/blog\/fotograficke-blesky-a-jejich-vyuziti-v-praxi\/","title":{"rendered":"Fotografick\u00e9 blesky a&nbsp;jejich vyu\u017eit\u00ed v&nbsp;praxi"},"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-69db5fe464ce8\" 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-69db5fe464ce8\"  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\/fotograficke-blesky-a-jejich-vyuziti-v-praxi\/#%E2%80%9EBleskovy%E2%80%9C_uvod\" title=\"\u201eBleskov\u00fd\u201c \u00favod\">\u201eBleskov\u00fd\u201c \u00favod<\/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\/fotograficke-blesky-a-jejich-vyuziti-v-praxi\/#Typicke_situace_pro_pouziti_blesku_pri_foceni\" title=\"Typick\u00e9 situace pro pou\u017eit\u00ed blesku p\u0159i focen\u00ed\">Typick\u00e9 situace pro pou\u017eit\u00ed blesku p\u0159i focen\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\/fotograficke-blesky-a-jejich-vyuziti-v-praxi\/#Vestaveny_nebo_externi_blesk\" title=\"Vestav\u011bn\u00fd nebo extern\u00ed blesk?\">Vestav\u011bn\u00fd nebo extern\u00ed blesk?<\/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\/fotograficke-blesky-a-jejich-vyuziti-v-praxi\/#Funkce_Fill-in_%E2%80%93_kombinace_umeleho_a_prirozeneho_svetla\" title=\"Funkce Fill-in \u2013 kombinace um\u011bl\u00e9ho a&nbsp;p\u0159irozen\u00e9ho sv\u011btla\">Funkce Fill-in \u2013 kombinace um\u011bl\u00e9ho a&nbsp;p\u0159irozen\u00e9ho sv\u011btla<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fotolab.cz\/blog\/fotograficke-blesky-a-jejich-vyuziti-v-praxi\/#Pouziti_blesku_s_dlouhym_casem_zaverky\" title=\"Pou\u017eit\u00ed blesk\u016f s&nbsp;dlouh\u00fdm \u010dasem z\u00e1v\u011brky\">Pou\u017eit\u00ed blesk\u016f s&nbsp;dlouh\u00fdm \u010dasem z\u00e1v\u011brky<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fotolab.cz\/blog\/fotograficke-blesky-a-jejich-vyuziti-v-praxi\/#Pouziti_blesku_a_kratkych_casu_expozice\" title=\"Pou\u017eit\u00ed blesk\u016f a&nbsp;kr\u00e1tk\u00fdch \u010das\u016f expozice\">Pou\u017eit\u00ed blesk\u016f a&nbsp;kr\u00e1tk\u00fdch \u010das\u016f expozice<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fotolab.cz\/blog\/fotograficke-blesky-a-jejich-vyuziti-v-praxi\/#Nas_tip_%E2%80%93_stroboskopicky_zablesk\" title=\"N\u00e1\u0161 tip \u2013 stroboskopick\u00fd z\u00e1blesk\">N\u00e1\u0161 tip \u2013 stroboskopick\u00fd z\u00e1blesk<\/a><\/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\/fotograficke-blesky-a-jejich-vyuziti-v-praxi\/#Kdy_je_lepsi_blesk_nepouzivat\" title=\"Kdy je lep\u0161\u00ed blesk nepou\u017e\u00edvat\">Kdy je lep\u0161\u00ed blesk nepou\u017e\u00edvat<\/a><\/li><\/ul><\/nav><\/div>\n<p><strong>Zdroj\u016f sv\u011btla pro n\u00e1svit fotografovan\u00e9 sc\u00e9ny m\u00e1me hned n\u011bkolik. D\u011bl\u00ed se na dv\u011b kategorie (p\u0159irozen\u00e9 a&nbsp;um\u011bl\u00e9). P\u0159irozen\u00e9 sv\u011btlo je mocn\u00fdm n\u00e1strojem, ale jeho nev\u00fdhodou je v\u00a0n\u011bkter\u00fdch p\u0159\u00edpadech hor\u0161\u00ed flexibilita s\u00a0jeho sm\u011brov\u00e1n\u00edm. P\u0159i jak\u00fdch situac\u00edch je vhodn\u00e9 s\u00e1hnout po um\u011bl\u00fdch zdroj\u00edch sv\u011btla, a&nbsp;kdy se hod\u00ed kombinace, v\u00e1m p\u0159edstav\u00edme n\u00ed\u017ee v\u00a0\u010dl\u00e1nku.<\/strong><\/p>\r\n<p><!--more--><\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"%E2%80%9EBleskovy%E2%80%9C_uvod\"><\/span>\u201eBleskov\u00fd\u201c \u00favod<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Blesk \u2013 \u0161ikovn\u00fd zdroj um\u011bl\u00e9ho sv\u011btla, kter\u00fd m\u00e1 barevnou teplotu podobnou tomu p\u0159irozen\u00e9mu, slune\u010dn\u00edmu. U\u017e historicky fotograf v\u017edy \u0159e\u0161il probl\u00e9m s&nbsp;nedostatkem sv\u011btla, ne v\u017edy se d\u00e1 pomoci prodlou\u017een\u00edm expozi\u010dn\u00edho \u010dasu, ne v\u017edy lze dostate\u010dn\u011b zv\u00fd\u0161it citlivost. Jak tedy fotografovat sc\u00e9nu v&nbsp;noci, p\u0159\u00edpadn\u011b uvnit\u0159 tmav\u00fdch m\u00edstnost\u00ed, ve sklepen\u00edch apod.? Dnes je to velmi jednoduch\u00e9, existuj\u00ed v\u00fdkonn\u00e9, extern\u00ed, elektronick\u00e9 (bateriov\u00e9) blesky a&nbsp;ve spoust\u011b fotoapar\u00e1t\u016f je dokonce blesk vestav\u011bn\u00fd.<\/p>\r\n<figure id=\"attachment_40782\" aria-describedby=\"caption-attachment-40782\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/fotoaparat-s-externim-bleskem.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-40782\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/fotoaparat-s-externim-bleskem.jpg\" alt=\"Fotoapar\u00e1t s extern\u00edm bleskem\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/fotoaparat-s-externim-bleskem.jpg 1400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/fotoaparat-s-externim-bleskem-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/fotoaparat-s-externim-bleskem-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/fotoaparat-s-externim-bleskem-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/fotoaparat-s-externim-bleskem-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/fotoaparat-s-externim-bleskem-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/fotoaparat-s-externim-bleskem-740x493.jpg 740w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-40782\" class=\"wp-caption-text\">Nikon Z&nbsp;6II + Nikon SB-700<\/figcaption><\/figure>\r\n<p>Nemluv\u011b o&nbsp;tom, jak se roz\u0161\u00ed\u0159ili mo\u017enosti pr\u00e1ce s\u00a0citlivost\u00ed, stabiliz\u00e1tory v\u00a0t\u011blech i&nbsp;objektivech a&nbsp;nab\u00eddka sv\u011bteln\u00fdch objektiv\u016f v\u0161ech v\u00fdrobc\u016f. Modern\u00ed syst\u00e9mov\u00e9 blesky um\u00ed spolupracovat s\u00a0t\u011blem a&nbsp;objektivem fotoapar\u00e1tu, \u0159\u00eddit expozici automaticky i&nbsp;manu\u00e1ln\u011b dle pot\u0159eby a&nbsp;mnohem v\u00edc. Maj\u00ed vysok\u00fd v\u00fdkon, n\u00edzkou spot\u0159ebu, um\u00ed se opakovan\u011b velmi rychle nab\u00edt, automaticky p\u0159izp\u016fsob\u00ed \u00fahel vyza\u0159ov\u00e1n\u00ed \u00fahlu z\u00e1b\u011bru pou\u017eit\u00e9ho objektivu, v\u00ed, na jakou vzd\u00e1lenost je zaost\u0159eno i&nbsp;jak leskl\u00fd je fotografovan\u00fd objekt. P\u0159i tom v\u0161em jsou v\u00a0podstat\u011b mal\u00e9, lehk\u00e9 a&nbsp;snadno p\u0159enosn\u00e9.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Typicke_situace_pro_pouziti_blesku_pri_foceni\"><\/span>Typick\u00e9 situace pro pou\u017eit\u00ed blesku p\u0159i focen\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Kdy\u017e jsem v&nbsp;\u00favod zm\u00ednil obl\u00edben\u00e1 \u201ezakl\u00ednadla\u201c digit\u00e1ln\u00edho v\u011bku, a&nbsp;sice citlivost a&nbsp;stabilizaci, mohlo by se zd\u00e1t, \u017ee blesk u\u017e fotograf nebude v\u016fbec pot\u0159ebovat. Ale opak je pravdou. Za prv\u00e9, po\u0159\u00e1d jsou situace, kdy blesk je mo\u017en\u00fdm \u0159e\u0161en\u00edm, a&nbsp;\u010dasto dokonce nejlep\u0161\u00edm \u0159e\u0161en\u00edm, sv\u011bteln\u00e9 situace nebo kreativn\u00edho z\u00e1m\u011bru. Za druh\u00e9, zvl\u00e1dnut\u00ed fotografie s&nbsp;bleskem (um\u011bl\u00fdm osv\u011btlen\u00edm) je to, co d\u011bl\u00e1 z&nbsp;fotografa mistra. Pod\u00edvejte se na sportovn\u00ed fotky Dana Vojt\u011bcha, na fotky z&nbsp;depozit\u00e1\u0159e N\u00e1rodn\u00edho muzea Petra Jana Jura\u010dky, na svatebn\u00ed fotky Ji\u0159\u00edho Tvaroha, a&nbsp;tak bych mohl pokra\u010dovat.<\/p>\r\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/bN4XP9-eOCI\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\r\n<p>Blesk je vynikaj\u00edc\u00ed tv\u016fr\u010d\u00ed n\u00e1stroj A&nbsp;pokud se v\u00e1m nel\u00edb\u00ed va\u0161e fotky s&nbsp;bleskem nezoufejte, znamen\u00e1 to jenom, \u017ee s&nbsp;n\u00edm zat\u00edm dob\u0159e neum\u00edte. Vyhledejte kurz, najd\u011bte video tutori\u00e1ly, p\u0159e\u010dt\u011bte kn\u00ed\u017eku nebo \u010dl\u00e1nky v&nbsp;odborn\u00fdch \u010dasopisech. A&nbsp;hlavn\u011b tr\u00e9nujte. Z&nbsp;vlastn\u00ed zku\u0161enosti v\u00edm, jak\u00e9 netu\u0161en\u00e9 mo\u017enosti se v\u00e1m otev\u0159ou a&nbsp;v\u011b\u0159te, \u017ee nap\u0159\u00edklad na svatbu bych bez blesku ur\u010dit\u011b ne\u0161el. A&nbsp;kdy se teda blesk hod\u00ed? D\u00e1vno neplat\u00ed, \u017ee blesk je za\u0159\u00edzen\u00ed na odstra\u0148ov\u00e1n\u00ed temnoty. Dnes je hlavn\u00ed funkc\u00ed blesku zejm\u00e9na \u0159e\u0161en\u00ed sn\u00edm\u00e1n\u00ed v&nbsp;protisv\u011btle, zvl\u00e1dnut\u00ed kontrastu a&nbsp;vyjasn\u011bn\u00ed st\u00edn\u016f.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Vestaveny_nebo_externi_blesk\"><\/span>Vestav\u011bn\u00fd nebo extern\u00ed blesk?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>T\u00e9m\u011b\u0159 v\u017edy je lep\u0161\u00ed extern\u00ed blesk. Nicm\u00e9n\u011b ten vestav\u011bn\u00fd, pokud ho v\u00e1\u0161 fotoapar\u00e1t m\u00e1, m\u00e1 dv\u011b obrovsk\u00e9 v\u00fdhody, m\u00e1te ho v\u017edy s&nbsp;sebou a&nbsp;lze j\u00edm (u&nbsp;vybran\u00fdch model\u016f) d\u00e1lkov\u011b odpalovat extern\u00ed blesky. Vestav\u011bn\u00fd blesk nelze zapomenout doma nebo v&nbsp;n\u011bm m\u00edt vybit\u00e9 baterie. A&nbsp;b\u011bhem m\u00e9 fotografick\u00e9 praxe se mi dokonce jednou stalo, \u017ee vestav\u011bn\u00fd blesk fungoval l\u00e9pe ne\u017e ten extern\u00ed. Fotografoval jsme pro spole\u010dnost vyr\u00e1b\u011bj\u00edc\u00ed reflexn\u00ed materi\u00e1ly (pruhy na v\u00fdstra\u017en\u00fdch vest\u00e1ch, oble\u010den\u00ed policie, hasi\u010d\u016f, aplikace na d\u011btsk\u00e9 oble\u010den\u00ed atd.) a&nbsp;z\u00e1blesk vestav\u011bn\u00e9ho blesku poskytoval nejlep\u0161\u00ed v\u00fdsledky. Pruhy sv\u00edtily i&nbsp;d\u00edky bl\u00edzkosti v\u00fdbojky vestav\u011bn\u00e9ho blesku k&nbsp;objektivu a&nbsp;extern\u00ed blesk v&nbsp;patici p\u0159\u00edstroje to nedok\u00e1zal napodobit. Ale je to ona v\u00fdjimka potvrzuj\u00edc\u00ed pravidlo.<\/p>\r\n<figure id=\"attachment_40779\" aria-describedby=\"caption-attachment-40779\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/bezdratove-rizeny-zablesk-1-ext-blesk.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-40779\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/bezdratove-rizeny-zablesk-1-ext-blesk.jpg\" alt=\"Bezdr\u00e1tov\u011b \u0159\u00edzen\u00fd z\u00e1blesk\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/bezdratove-rizeny-zablesk-1-ext-blesk.jpg 1400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/bezdratove-rizeny-zablesk-1-ext-blesk-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/bezdratove-rizeny-zablesk-1-ext-blesk-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/bezdratove-rizeny-zablesk-1-ext-blesk-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/bezdratove-rizeny-zablesk-1-ext-blesk-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/bezdratove-rizeny-zablesk-1-ext-blesk-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/bezdratove-rizeny-zablesk-1-ext-blesk-740x493.jpg 740w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-40779\" class=\"wp-caption-text\">N\u00e1svit s&nbsp;pomoc\u00ed bezdr\u00e1tov\u011b \u0159\u00edzen\u00e9ho vzd\u00e1len\u00e9ho blesku<\/figcaption><\/figure>\r\n<p>S extern\u00edm bleskem a&nbsp;jeho v\u011bt\u0161\u00ed vzd\u00e1lenost\u00ed od objektivu budete m\u00e9n\u011b \u010dasto bojovat s&nbsp;efektem \u010derven\u00fdch o\u010d\u00ed, budete m\u00edt vy\u0161\u0161\u00ed v\u00fdkon (v\u011bt\u0161\u00ed sm\u011brn\u00e9 \u010d\u00edslo), rychlej\u0161\u00ed nab\u00edjen\u00ed (d\u00edky vlastn\u00edmu nap\u00e1jen\u00ed), parabola blesku bude automaticky zoomovat podle objektivu a&nbsp;v\u00fdklopn\u00e1 hlava umo\u017en\u00ed fotit m\u011bk\u010d\u00edm, odra\u017een\u00fdm sv\u011btlem. A&nbsp;n\u011bkter\u00e9 funkce, jako je FP (synchronizace s&nbsp;ultra kr\u00e1tk\u00fdmi \u010dasy) nebo stroboskopick\u00e9 z\u00e1blesky, nem\u00e1 vestav\u011bn\u00fd blesk nikdy.<\/p>\r\n<figure id=\"attachment_41004\" aria-describedby=\"caption-attachment-41004\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/Canon-EOS-M50.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-41004\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/Canon-EOS-M50.jpg\" alt=\"Vestav\u011bn\u00fd blesk u Canonu EOS M50 II\" width=\"600\" height=\"495\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/Canon-EOS-M50.jpg 847w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/Canon-EOS-M50-300x248.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/Canon-EOS-M50-768x634.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/Canon-EOS-M50-50x41.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/Canon-EOS-M50-370x305.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/Canon-EOS-M50-270x223.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/Canon-EOS-M50-740x611.jpg 740w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-41004\" class=\"wp-caption-text\">Vestav\u011bn\u00fd blesk u&nbsp;Canonu EOS M50 II<\/figcaption><\/figure>\r\n<p>Tak\u017ee rada je vlastn\u011b jednoduch\u00e1. Nau\u010dte se co nejl\u00e9pe pracovat s&nbsp;vestav\u011bn\u00fdm bleskem, hodit se bude nap\u0159\u00edklad p\u0159ep\u00edn\u00e1n\u00ed re\u017eim\u016f TTL a&nbsp;manu\u00e1l, synchronizace s&nbsp;dlouh\u00fdm \u010dasem, korekce expozice blesku (zejm\u00e9na sn\u00ed\u017een\u00ed v\u00fdkonu), p\u0159edblesk k&nbsp;potla\u010den\u00ed jevu \u010derven\u00fdch o\u010d\u00ed a&nbsp;p\u0159\u00edpadn\u011b bezdr\u00e1tov\u00e9 ovl\u00e1d\u00e1n\u00ed extern\u00edch blesk\u016f. Pokud uva\u017eujete o&nbsp;fotografov\u00e1n\u00ed report\u00e1\u017e\u00ed, svateb, promoc\u00ed a&nbsp;indoor sport\u016f, po\u0159i\u010fte si extern\u00ed blesk a&nbsp;zvl\u00e1dn\u011bte (natr\u00e9nujte) jeho ovl\u00e1d\u00e1n\u00ed.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Funkce_Fill-in_%E2%80%93_kombinace_umeleho_a_prirozeneho_svetla\"><\/span>Funkce Fill-in \u2013 kombinace um\u011bl\u00e9ho a&nbsp;p\u0159irozen\u00e9ho sv\u011btla<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Nejlep\u0161\u00ed zp\u016fsob pou\u017eit\u00ed blesku, jak\u00fd zn\u00e1m je funkce Fill-in, \u010desky dopl\u0148kov\u00fd z\u00e1blesk. Extern\u00ed blesk zde slou\u017e\u00ed ne jako hlavn\u00ed, ale jako dopl\u0148kov\u00fd sv\u011bteln\u00fd zdroj. Jde o&nbsp;to pou\u017e\u00edt um\u011bl\u00e9 sv\u011btlo k\u00a0prosv\u011btlen\u00ed st\u00edn\u016f, kam nedos\u00e1hne p\u0159irozen\u00e9 sv\u011btlo. Jedn\u00e1 se vlastn\u011b o&nbsp;dvojexpozici, kdy n\u011bjakou \u010d\u00e1st sn\u00edmku naexponuje p\u0159irozen\u00e9 sv\u011btlo a&nbsp;jinou sv\u011btlo va\u0161eho blesku. Nejlep\u0161\u00ed varianta, jak m\u00edt oba (nebo i&nbsp;t\u0159i, \u010dty\u0159i) sv\u011bteln\u00e9 zdroje pod kontrolou je nastavit na blesku modern\u00ed inteligentn\u00ed expozi\u010dn\u00ed automatiku (nap\u0159. i-TTL), ale na t\u011ble fotoapar\u00e1tu zvolit manu\u00e1ln\u00ed expozi\u010dn\u00ed re\u017eim.<\/p>\r\n<figure id=\"attachment_40784\" aria-describedby=\"caption-attachment-40784\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/manual_exp_TTL-zablesk-B.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-40784\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/manual_exp_TTL-zablesk-B.jpg\" alt=\"Manu\u00e1ln\u00ed expozice TTL z\u00e1blesk\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/manual_exp_TTL-zablesk-B.jpg 1400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/manual_exp_TTL-zablesk-B-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/manual_exp_TTL-zablesk-B-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/manual_exp_TTL-zablesk-B-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/manual_exp_TTL-zablesk-B-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/manual_exp_TTL-zablesk-B-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/manual_exp_TTL-zablesk-B-740x493.jpg 740w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-40784\" class=\"wp-caption-text\">Uk\u00e1zka fotografie s&nbsp;pou\u017eit\u00edm dopl\u0148kov\u00e9ho z\u00e1blesku<\/figcaption><\/figure>\r\n<p>Za\u010d\u00edn\u00e1m tak, \u017ee ve vnit\u0159n\u00edm prostoru, kde budu fotografovat (kostel, ob\u0159adn\u00ed s\u00ed\u0148, z\u00e1meck\u00fd s\u00e1l atd.) ud\u011bl\u00e1m z\u00e1kladn\u00ed nastaven\u00ed, zat\u00edm s&nbsp;vypnut\u00fdm bleskem, zvol\u00edm citlivost ISO, clonu a&nbsp;\u010das. \u010cas o&nbsp;n\u011bco del\u0161\u00ed, ne\u017e jste mo\u017en\u00e1 byly zvykl\u00ed, obvykle 1\/30 s&nbsp;(aby se mohlo projevit p\u0159irozen\u00e9 sv\u011btlo, p\u0159i 1\/200 s&nbsp;budete sn\u00edmat jen sv\u011btlem blesku), ISO 400 (ze stejn\u00e9ho d\u016fvodu) a&nbsp;clonu n\u011bkde kolem f4 nebo f5,6. Po\u0159\u00edd\u00edm testovac\u00ed z\u00e1b\u011br. Myslete na to, \u017ee expozimetr fotoapar\u00e1tu v\u017edy ukazuje sv\u011btlo pozad\u00ed, tedy bez sv\u011btla blesku, kter\u00e9 tam v&nbsp;ten moment samoz\u0159ejm\u011b nen\u00ed. Pak zapnu blesk, nastaven\u00e9 hodnoty z\u016fst\u00e1vaj\u00ed, proto\u017ee m\u00e1me fotoapar\u00e1t v&nbsp;manu\u00e1ln\u00edm re\u017eimu (v\u010detn\u011b citlivosti!) a&nbsp;provedu dal\u0161\u00ed test.<\/p>\r\n<figure id=\"attachment_40781\" aria-describedby=\"caption-attachment-40781\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/doplnkovy-zablesk.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-40781\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/doplnkovy-zablesk.jpg\" alt=\"Fill-in dopl\u0148kov\u00fd z\u00e1blesk\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/doplnkovy-zablesk.jpg 1400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/doplnkovy-zablesk-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/doplnkovy-zablesk-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/doplnkovy-zablesk-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/doplnkovy-zablesk-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/doplnkovy-zablesk-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/doplnkovy-zablesk-740x493.jpg 740w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-40781\" class=\"wp-caption-text\">Fill-in dopl\u0148kov\u00fd z\u00e1blesk<\/figcaption><\/figure>\r\n<p>Pokud z\u00e1b\u011br nen\u00ed expozi\u010dn\u011b v&nbsp;po\u0159\u00e1dku, zm\u011bn\u00edm citlivost ISO (p\u0159i tmav\u00e9m sn\u00edmku ji zv\u00fd\u0161\u00edm a&nbsp;naopak). Nem\u011bn\u00edm expozi\u010dn\u00ed \u010das, proto\u017ee bych, nap\u0159. p\u0159i jeho zkracov\u00e1n\u00ed, ztmavoval pozad\u00ed. Nem\u011bn\u00edm clonu, proto\u017ee bych, nap\u0159. vy\u0161\u0161\u00edm zaclon\u011bn\u00edm, sni\u017eoval v\u00fdkon blesku. A&nbsp;to je cel\u00e9. Nejlep\u0161\u00ed ocen\u011bn\u00ed va\u0161\u00ed pr\u00e1ce bude, kdy\u017e si laik nad fotkou ani neuv\u011bdom\u00ed, \u017ee jste blesk pou\u017eili. V\u011btu: \u201eJ\u00e9, vy jste m\u011bl \u0161t\u011bst\u00ed, takov\u00e9 sv\u011btlo v&nbsp;kostele!\u201c m\u00e1m vylo\u017een\u011b r\u00e1d, by\u0165 to, co doty\u010dn\u00fd mimod\u011bk chv\u00e1l\u00ed nen\u00ed \u0161t\u011bst\u00ed, ale va\u0161e dob\u0159e odveden\u00e9 \u0159emeslo. Plus mal\u00e1 drobnost nakonec, pokud jste si v\u0161imli, \u017ee \u010dasem ve Fill-in ovliv\u0148ujete p\u0159irozen\u00e9 sv\u011btlo (nap\u0159. z&nbsp;oken atd.) a&nbsp;clonou sv\u011btlo um\u011bl\u00e9 (to z&nbsp;va\u0161eho blesku) m\u00e1te vyhr\u00e1no. P\u0159esn\u011b tak to funguje.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Pouziti_blesku_s_dlouhym_casem_zaverky\"><\/span>Pou\u017eit\u00ed blesk\u016f s&nbsp;dlouh\u00fdm \u010dasem z\u00e1v\u011brky<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>V podstat\u011b ka\u017ed\u00fd fotoapar\u00e1t s&nbsp;vestav\u011bn\u00fdm bleskem m\u00e1 funkci synchronizace s&nbsp;dlouh\u00fdm \u010dasem. Od levn\u00e9ho kompaktn\u00edho p\u0159\u00edstroje, p\u0159es zrcadlovky a\u017e po bezzrcadlovky. A&nbsp;to bez rozd\u00edlu velikosti sn\u00edma\u010de. Um\u00ed to i&nbsp;ka\u017ed\u00fd extern\u00ed blesk. Jedn\u00e1 se o&nbsp;funkci, kdy se z\u00e1v\u011brka fotoapar\u00e1tu otev\u0159e na del\u0161\u00ed dobu (dlouh\u00fd \u010das) a&nbsp;z\u00e1rove\u0148 se odp\u00e1l\u00ed blesk. Pro n\u00e1zornost si p\u0159edstavme expozi\u010dn\u00ed \u010das t\u0159i sekundy. Fotoapar\u00e1t, pochopiteln\u011b, um\u00edst\u00edme na stativ. Poj\u010fme se pod\u00edvat, co se v&nbsp;na\u0161em p\u0159\u00edstroji v&nbsp;takov\u00e9m p\u0159\u00edpad\u011b d\u011bje.<\/p>\r\n<blockquote><strong>\u010ct\u011bte tak\u00e9 na blogu: <span style=\"color: #c30c15;\"><a style=\"color: #c30c15;\" href=\"https:\/\/www.fotolab.cz\/blog\/jak-vybrat-externi-blesk-pro-fotoaparat\/\" target=\"_blank\" rel=\"noopener\">Jak vybrat extern\u00ed blesk pro fotoapar\u00e1t<\/a><\/span><\/strong><\/blockquote>\r\n<p>Po stisku spou\u0161t\u011b se otv\u00edr\u00e1 z\u00e1v\u011brka p\u0159\u00edstroje, v&nbsp;objektivu se zlomek sekundy p\u0159ed t\u00edm zav\u0159ely lamely clony tak, aby vytvo\u0159ily po\u017eadovan\u00fd clonov\u00fd otvor, za\u017eehne se v\u00fdbojka blesku, ten zableskne, jeho sv\u011btlo let\u00ed do prostoru na objekt, odr\u00e1\u017e\u00ed se zp\u011bt, prolet\u00ed objektivem na sn\u00edma\u010d fotoapar\u00e1tu, vestav\u011bn\u00e9 TTL \u010didlo p\u0159\u00edstroje hl\u00e1s\u00ed dostate\u010dn\u00e9 osv\u011btlen\u00ed a&nbsp;vyp\u00edn\u00e1 blesk, po\u0159\u00e1d, po celou tuto dobu proud\u00ed objektivem do komory fotoapar\u00e1tu p\u0159irozen\u00e9 sv\u011btlo, a&nbsp;je\u0161t\u011b dlouho bude (v\u00edce ne\u017e 2,9 sekundy). Kone\u010dn\u011b ub\u011bhly nastaven\u00e9 t\u0159i sekundy a&nbsp;z\u00e1v\u011brka se zav\u00edr\u00e1. Clonov\u00e9 lamely znovu naplno otv\u00edraj\u00ed objektiv. Proces je ukon\u010den. Data jsou zaps\u00e1na na pam\u011b\u0165ovou kartu.<\/p>\r\n<p>&nbsp;<\/p>\r\n<figure id=\"attachment_2014\" aria-describedby=\"caption-attachment-2014\" style=\"width: 694px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2015\/04\/canon-speedlite.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2014 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2015\/04\/canon-speedlite.jpg\" alt=\"Jak vybrat extern\u00ed blesk\" width=\"694\" height=\"520\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2015\/04\/canon-speedlite.jpg 694w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2015\/04\/canon-speedlite-300x225.jpg 300w\" sizes=\"(max-width: 694px) 100vw, 694px\" \/><\/a><figcaption id=\"caption-attachment-2014\" class=\"wp-caption-text\">Jak vybrat extern\u00ed blesk<\/figcaption><\/figure>\r\n<p>M\u00e1me sn\u00edmek. V\u0161e, co se rychle pohybovalo p\u0159es n\u00e1\u0161 z\u00e1b\u011br je rozmazan\u00e9 (t\u0159i sekundy je opravdu dlouh\u00fd expozi\u010dn\u00ed \u010das). To, co st\u00e1lo je spr\u00e1vn\u011b nasv\u00edceno koktejlem p\u0159irozen\u00e9ho a&nbsp;z\u00e1bleskov\u00e9ho sv\u011btla, a&nbsp;nav\u00edc je zobrazeno ost\u0159e. TTL m\u011b\u0159en\u00ed zafungovalo na v\u00fdbornou. Odehr\u00e1lo se toho tolik. Ale jak se to mohlo stihnout? Jak \u0159\u00edk\u00e1 klasik, rychlost\u00ed sv\u011btla, za t\u0159i sekundy \u2013 v&nbsp;pohod\u011b! Nap\u0159\u00edklad ten z\u00e1blesk na\u0161eho blesku trval jen cca 1\/15&nbsp;000 s. Kdy\u017e si prohl\u00e9dneme v\u00fdslednou fotografii vid\u00edme na za\u010d\u00e1tku rozmazan\u00e9 stopy auta, kter\u00e9 projelo v&nbsp;dob\u011b expozice p\u0159ed n\u00e1mi. To ho tam doslova zmrazil blesk p\u0159i otev\u0159en\u00ed z\u00e1v\u011brky. P\u0159ed sebou m\u00e1 \u0161mouhu, jak pot\u00e9 odjelo z\u00e1b\u011brem pry\u010d.<\/p>\r\n<p>Logick\u00e9 by bylo (nejen pro m\u011b), aby ta stopa od pohybu byla a\u017e za on\u00edm objektem. Jak toho dos\u00e1hnout? Jednodu\u0161e, je to funkce synchronizace na druhou lamelu (Slow Sync Rear), kterou tak\u00e9 m\u00e1 v\u011bt\u0161ina sou\u010dasn\u00fdch fotografick\u00fdch p\u0159\u00edstroj\u016f. Cel\u00fd proces prob\u011bhne v&nbsp;podstat\u011b stejn\u011b, jen blesk se odp\u00e1l\u00ed a\u017e na konci expozice. Po 2,99 sekund\u011b co je z\u00e1v\u011brka otev\u0159en\u00e1. Obraz se skoro 3 sekundy \u00fasp\u011b\u0161n\u011b exponuje na sn\u00edma\u010d, a&nbsp;t\u011bsn\u011b p\u0159ed zav\u0159en\u00edm z\u00e1v\u011brky bleskne blesk. Na prvn\u00ed pohled je fotka stejn\u00e1, ale \u201ena\u0161e\u201c auto je na konci on\u00e9 pohybov\u00e9 \u0161mouhy. Vypad\u00e1 to mnohem l\u00edp. Dojem pohybu a&nbsp;rychlosti je i&nbsp;d\u00edky tomuto jednoduch\u00e9mu triku dokonal\u00fd.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Pouziti_blesku_a_kratkych_casu_expozice\"><\/span>Pou\u017eit\u00ed blesk\u016f a&nbsp;kr\u00e1tk\u00fdch \u010das\u016f expozice<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Zaj\u00edmav\u00e9 je tak\u00e9 pou\u017eit\u00ed blesku s&nbsp;kr\u00e1tk\u00fdmi \u010dasy. Z\u00e1kladn\u00ed omezen\u00ed je tzv. X-synchro \u010das fotoapar\u00e1tu, kter\u00fd je dan\u00fd typem z\u00e1v\u011brky. Obecn\u011b plat\u00ed, \u017ee dra\u017e\u0161\u00ed (profi) fotoapar\u00e1ty maj\u00ed krat\u0161\u00ed synchroniza\u010dn\u00ed \u010das. Dnes je to v\u011bt\u0161inou od 1\/125 s, n\u011bkdy 1\/180 s&nbsp;nebo 1\/200 s, u&nbsp;profesion\u00e1ln\u00edch p\u0159\u00edstroj\u016f je to 1\/250 s. \u010cas X&nbsp;je takov\u00fd \u010das, kdy je p\u0159i b\u011bhu z\u00e1v\u011brky (jej\u00edch obou lamel) najednou odkryt\u00e1 cel\u00e1 plocha sn\u00edma\u010de (d\u0159\u00edve cel\u00e9 pol\u00ed\u010dko filmu) a&nbsp;tu dok\u00e1\u017ee blesk celou osv\u00edtit a&nbsp;naexponovat. Neznamen\u00e1 to, \u017ee by nebylo mo\u017en\u00e9 pracovat i&nbsp;s&nbsp;krat\u0161\u00edmi \u010dasy.<\/p>\r\n<blockquote>\r\n<p><strong>\u010ct\u011bte tak\u00e9 na blogu: <span style=\"color: #c30c15;\"><a style=\"color: #c30c15;\" href=\"https:\/\/www.fotolab.cz\/blog\/foceni-ve-spatnem-svetle\/\" target=\"_blank\" rel=\"noopener\">5 tip\u016f pro focen\u00ed ve \u0161patn\u00e9m sv\u011btle<\/a><\/span><\/strong><\/p>\r\n<\/blockquote>\r\n<p>V tom p\u0159\u00edpad\u011b je pot\u0159eba zvolit funkci Focal Plane (FP) a&nbsp;tu um\u00ed jen vy\u0161\u0161\u00ed t\u0159\u00edda fotoapar\u00e1t\u016f a&nbsp;blesk\u016f. Pokud nastav\u00edme FP, m\u016f\u017eeme fotit s&nbsp;bleskem klidn\u011b i&nbsp;1\/4000 s. M\u00e1 to ov\u0161em minim\u00e1ln\u011b jedno ale. Drasticky se sn\u00ed\u017e\u00ed v\u00fdkon blesku. U&nbsp;m\u00e9ho blesku se sm\u011brn\u00fdm \u010d\u00edslem (GN) 40 se d\u00e1 snadno vypo\u010d\u00edtat dosah v&nbsp;metrech, nap\u0159. pro clonu f4 je to 10&nbsp;m&nbsp;(to plat\u00ed pro ohnisko 50 mm a&nbsp;p\u0159i ISO 100). Pokud zapnu funkci FP dosah se dramaticky sni\u017euje, pro 1\/2000 s&nbsp;u\u017e je to jen 2,4&nbsp;m. \u0158e\u0161en\u00edm pro sportovn\u00ed fotografy je pou\u017eit\u00ed extr\u00e9mn\u011b sv\u011bteln\u00fdch teleobjektiv\u016f (profi fotografov\u00e9 basketbalu miluj\u00ed nap\u0159. fam\u00f3zn\u00ed teleobjektiv 200 mm F2). A&nbsp;pokud si \u0159\u00edk\u00e1te, \u017ee se v\u00e1s to net\u00fdk\u00e1, proto\u017ee sport nefot\u00edte, uvedu jeden p\u0159\u00edklad a&nbsp;mo\u017en\u00e9 \u0159e\u0161en\u00ed z&nbsp;praxe portr\u00e9tn\u00edho fotografa.<\/p>\r\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/chLtZ5Fress\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\r\n<p>Fot\u00edte figuru v&nbsp;protisv\u011btle a&nbsp;m\u00e1te nasazen geni\u00e1ln\u00ed portr\u00e9tn\u00ed objektiv 105 mm F1,4. Kv\u016fli mal\u00e9 hloubce ostrosti sn\u00edm\u00e1te tzv. na plnou d\u00edru (clona F1,4), je l\u00e9to sv\u00edt\u00ed slunce, fot\u00edte na svatb\u011b v&nbsp;ur\u010denou dobu (tak\u017ee nem\u016f\u017eete \u010dekat na lep\u0161\u00ed, ve\u010dern\u00ed sv\u011btlo). Citlivost m\u00e1te \u00fapln\u011b nejn\u00ed\u017e (v\u011bt\u0161inou ISO 100), nem\u00e1te u&nbsp;sebe odraznou desku ani asistenta, co\u017e znamen\u00e1, \u017ee si budete do protisv\u011btla pom\u00e1hat bleskem.<\/p>\r\n<p>Nastavujete funkci FP. Expozi\u010dn\u00ed \u010das pro danou situaci vych\u00e1z\u00ed 1\/2000 s. Pro portr\u00e9t je v\u0161e v&nbsp;po\u0159\u00e1dku. Ale co cel\u00e1 postava? Nev\u011bsta je od v\u00e1s 5 metr\u016f, ale tam u\u017e blesk nedosv\u00edt\u00ed. \u0158e\u0161en\u00edm je slab\u00fd \u0161ed\u00fd filtr. Nap\u0159. \u0161ed\u00fd filtr ND4 umo\u017en\u00ed fotit ve stejn\u00e9 situaci 1\/125 s. Nasazen\u00edm na objektiv sn\u00ed\u017e\u00edte mno\u017estv\u00ed vstupuj\u00edc\u00edho sv\u011btla, vypnete funkci FP, dosah blesku se zv\u00fd\u0161\u00ed a&nbsp;m\u016f\u017eete se v&nbsp;klidu soust\u0159edit na sv\u011btlo, kompozici, p\u00f3zu a&nbsp;v\u00fdraz modelky. \u00a0<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Nas_tip_%E2%80%93_stroboskopicky_zablesk\"><\/span>N\u00e1\u0161 tip \u2013 stroboskopick\u00fd z\u00e1blesk<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Extern\u00ed blesky vy\u0161\u0161\u00edch t\u0159\u00edd disponuj\u00ed funkc\u00ed \u201estrobo\u201c. Ta umo\u017e\u0148uje po\u0159\u00eddit pomoc\u00ed stroboskopick\u00e9ho efektu atraktivn\u00ed sn\u00edmky pohybliv\u00fdch objekt\u016f. Nap\u0159. padaj\u00edc\u00ed tenisov\u00fd m\u00ed\u010d se ve v\u00fdsledn\u00e9 fotce zobraz\u00ed n\u011bkolikr\u00e1t, v\u017edy v&nbsp;jin\u00e9m m\u00edst\u011b sn\u00edmku. Jedn\u00e1 se vlastn\u011b v\u00edcen\u00e1sobn\u00fd z\u00e1blesk do jedn\u00e9 expozice. Nastavuje se kmito\u010det (Hz) a&nbsp;mno\u017estv\u00ed z\u00e1blesk\u016f. Kdy\u017e zvol\u00edte 4 expozice p\u0159i 10 Hz znamen\u00e1 to, \u017ee blesk b\u011bhem expozice \u010dty\u0159ikr\u00e1t bl\u00fdskne rychlost\u00ed 10 sn\u00edmk\u016f za sekundu. Expozici (clonu, \u010das, citlivost) nastavujeme v\u017edy manu\u00e1ln\u011b. Zvol\u00edme o&nbsp;n\u011bco del\u0161\u00ed \u010das, aby p\u0159edm\u011bt m\u011bl dostatek \u010dasu a&nbsp;urazil z\u00e1b\u011brem del\u0161\u00ed dr\u00e1hu.<\/p>\r\n<blockquote>\r\n<p><strong>\u010ct\u011bte tak na blogu: <span style=\"color: #c30c15;\"><a style=\"color: #c30c15;\" href=\"https:\/\/www.fotolab.cz\/blog\/multiexpozice-tipy-a-rady-pro-jine-fotky\/\" target=\"_blank\" rel=\"noopener\">Multiexpozice a&nbsp;jej\u00ed vyu\u017eit\u00ed<\/a><\/span><\/strong><\/p>\r\n<\/blockquote>\r\n<p>V\u017edy vol\u00edme podexpozici, aby po\u0159\u00edzen\u00e9 sn\u00edmky (zejm\u00e9na pozad\u00ed) byly tmav\u0161\u00ed a&nbsp;bleskem nasv\u00edcen\u00fd hlavn\u00ed objekt vynikl. Ost\u0159\u00edme ru\u010dn\u011b do p\u0159edem zvolen\u00e9 vzd\u00e1lenosti. Nejcenn\u011bj\u0161\u00ed pro tr\u00e9nink je asistent, kter\u00fd v\u00e1m bude na povel a&nbsp;opakovan\u011b pou\u0161t\u011bt p\u0159edm\u011bt do z\u00e1b\u011bru. Dos\u00e1hnout po\u017eadovan\u00e9ho v\u00fdsledku chce \u010das a&nbsp;mno\u017estv\u00ed pokus\u016f, tak\u017ee dal\u0161\u00ed d\u016fle\u017eit\u00e1 ingredience je trp\u011blivost. Jako v&nbsp;ka\u017ed\u00e9m sportu, tr\u00e9nink d\u011bl\u00e1 mistra. A\u017e v\u0161e nazkou\u0161\u00edte s&nbsp;tenis\u00e1kem, m\u016f\u017eete zkusit t\u0159eba velkou jahodu, padaj\u00edc\u00ed do vody v&nbsp;akv\u00e1riu. V\u011b\u0159te, bude to z\u00e1bavn\u00fd program na cel\u00fd ve\u010der.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Kdy_je_lepsi_blesk_nepouzivat\"><\/span>Kdy je lep\u0161\u00ed blesk nepou\u017e\u00edvat<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Jsou situace, kdy je l\u00e9pe blesk nepou\u017e\u00edt a&nbsp;pomoci si jinak. Nap\u0159\u00edklad divadeln\u00ed fotka, kde je pou\u017eit\u00ed blesku doslova faux-pas, ale taky fotka, kde chcete zachovat maximum p\u0159irozen\u00e9 atmosf\u00e9ry. V\u00e1no\u010dn\u00ed sn\u00edmky u&nbsp;strome\u010dku v&nbsp;dom\u00e1cnostech osv\u011btlen\u00fdch jen sv\u011bt\u00fdlky a&nbsp;adventn\u00edmi v\u011bnci. Ale tak\u00e9 na koncertech (jazz, rock), na barech a&nbsp;v&nbsp;hospod\u00e1ch, u&nbsp;romantick\u00e9 ve\u010de\u0159e p\u0159i sv\u00ed\u010dk\u00e1ch nebo t\u0159eba u&nbsp;t\u00e1bor\u00e1ku.<\/p>\r\n<p>V takov\u00fdch situac\u00edch je sv\u011btlo blesku v\u011bt\u0161inou velmi ru\u0161iv\u00e9. Doporu\u010duji blesk vypnout, nebo l\u00e9pe nenasadit a&nbsp;ten vestav\u011bn\u00fd nevyklopit. Nastavte vy\u0161\u0161\u00ed citlivost ISO, pou\u017eijte sv\u011bteln\u00fd objektiv s&nbsp;pevnou ohniskovou vzd\u00e1lenost\u00ed (tzv. pevn\u00e9 sklo), rad\u0161i \u0161ir\u0161\u00ed ohnisko, proto\u017ee udr\u017e\u00edte del\u0161\u00ed \u010dasy. Zvolte otev\u0159enou clonu (nejni\u017e\u0161\u00ed mo\u017en\u00e9 \u010d\u00edslo f) a&nbsp;expozi\u010dn\u00ed \u010das, kter\u00fd s&nbsp;dan\u00fdm ohniskem bezpe\u010dn\u011b udr\u017e\u00edte z&nbsp;ruky.<\/p>\r\n<figure id=\"attachment_40785\" aria-describedby=\"caption-attachment-40785\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/osvetleni-vnitrnich-prostor.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-40785\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/osvetleni-vnitrnich-prostor.jpg\" alt=\"Osv\u011btlen\u00ed vnit\u0159n\u00edch prostor\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/osvetleni-vnitrnich-prostor.jpg 1400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/osvetleni-vnitrnich-prostor-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/osvetleni-vnitrnich-prostor-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/osvetleni-vnitrnich-prostor-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/osvetleni-vnitrnich-prostor-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/osvetleni-vnitrnich-prostor-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2021\/03\/osvetleni-vnitrnich-prostor-740x493.jpg 740w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-40785\" class=\"wp-caption-text\">Osv\u011btlen\u00ed vnit\u0159n\u00edch prostor a&nbsp;vyu\u017eit\u00ed p\u0159irozen\u00e9ho sv\u011btla<\/figcaption><\/figure>\r\n<p>Nap\u0159. p\u0159i objektivu 28 mm F1,8 na FF, zvolte 1\/30 s, clonu f1,8 a&nbsp;ISO dle pot\u0159eby, klidn\u011b 1600 i&nbsp;v\u00edc. Expozici nastavte manu\u00e1ln\u011b, automatika se tmy doslova boj\u00ed a&nbsp;fotky by v\u011bt\u0161inou byly p\u0159\u00edli\u0161 sv\u011btl\u00e9. V\u017edy v\u011bnujte pozornost nastaven\u00ed vyv\u00e1\u017een\u00ed b\u00edl\u00e9 barvy. A&nbsp;bonusov\u00e1 rada na z\u00e1v\u011br, pokud je sc\u00e9na tak tmav\u00e1, \u017ee z\u00e1b\u011br vy\u017eaduje extr\u00e9mn\u00ed citlivost ISO (nap\u0159. 12&nbsp;800), fo\u0165te \u010dernob\u00edle. \u0160um, kter\u00fd by byl v&nbsp;barevn\u00e9m sn\u00edmku ji\u017e mo\u017en\u00e1 ru\u0161iv\u00fd p\u0159ipom\u00edn\u00e1 v&nbsp;\u010dernob\u00edl\u00e9 fotce zrno, tak jak ho zn\u00e1me z&nbsp;klasick\u00fdch filmov\u00fdch materi\u00e1l\u016f Kodak, Ilford, Fomapan apod. Dobr\u00e9 sv\u011btlo p\u0159eji.<\/p>\r\n<hr class=\"wp-block-separator\" \/>\r\n<p><strong><u><!-- \/wp:separator --><\/u><\/strong> <u> <\/u><strong><u><!-- wp:image {\"align\":\"right\",\"id\":31465,\"linkDestination\":\"custom\"} --><\/u><\/strong><\/p>\r\n<div class=\"wp-block-image\">\r\n<figure class=\"alignright\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/04\/Michael-Jurak-final.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"247\" height=\"300\" class=\"wp-image-31465\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/04\/Michael-Jurak-final-247x300.jpg\" alt=\"Michael Jur\u00e1k\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/04\/Michael-Jurak-final-247x300.jpg 247w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/04\/Michael-Jurak-final-41x50.jpg 41w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/04\/Michael-Jurak-final.jpg 536w\" sizes=\"(max-width: 247px) 100vw, 247px\" \/><\/a><\/figure>\r\n<\/div>\r\n<p><strong><u><!-- \/wp:image --><\/u><\/strong> <u> <\/u><strong><u><!-- wp:paragraph --><\/u><\/strong> <strong>\u010cl\u00e1nek s&nbsp;fotografiemi pro v\u00e1s p\u0159ipravil <\/strong><strong>MICHAEL JUR\u00c1K (<\/strong><strong>produktov\u00fd specialista a&nbsp;expert na fototechniku)<\/strong><\/p>\r\n<p>Krom\u011b milovan\u00e9ho fotografov\u00e1n\u00ed m\u00e1m r\u00e1d p\u0159\u00edrodu, hory, lesy, ryba\u0159en\u00ed. P\u0159es l\u00e9to jezd\u00edm nejrad\u011bji na horsk\u00e9m kole a\u00a0v\u00a0zim\u011b na snowboardu, r\u00e1d se i&nbsp;projedu na motorce. Focen\u00ed nen\u00ed pro m\u011b jen kon\u00ed\u010dek, ale d\u00e1 se \u0159\u00edci posedlost.<\/p>","protected":false},"excerpt":{"rendered":"<p>Zdroj\u016f sv\u011btla pro n\u00e1svit fotografovan\u00e9 sc\u00e9ny m\u00e1me hned n\u011bkolik. D\u011bl\u00ed se na dv\u011b kategorie (p\u0159irozen\u00e9 a&nbsp;um\u011bl\u00e9). P\u0159irozen\u00e9 sv\u011btlo je mocn\u00fdm n\u00e1strojem, ale jeho nev\u00fdhodou je v\u00a0n\u011bkter\u00fdch p\u0159\u00edpadech hor\u0161\u00ed flexibilita s\u00a0jeho sm\u011brov\u00e1n\u00edm. P\u0159i jak\u00fdch situac\u00edch je vhodn\u00e9 s\u00e1hnout po um\u011bl\u00fdch zdroj\u00edch sv\u011btla, a&nbsp;kdy se hod\u00ed kombinace, v\u00e1m p\u0159edstav\u00edme n\u00ed\u017ee v\u00a0\u010dl\u00e1nku.<\/p>\n","protected":false},"author":268,"featured_media":40801,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[559,18],"tags":[39,88,566,946,835],"class_list":["post-40774","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fotolab-fotoradce","category-novinky","tag-blesky","tag-fotografovani","tag-fotolab-fotoradce","tag-fotoradce","tag-zkusenosti"],"wppr_data":{"cwp_meta_box_check":"No"},"_links":{"self":[{"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts\/40774"}],"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\/268"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/comments?post=40774"}],"version-history":[{"count":10,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts\/40774\/revisions"}],"predecessor-version":[{"id":41006,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts\/40774\/revisions\/41006"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/media\/40801"}],"wp:attachment":[{"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/media?parent=40774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/categories?post=40774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/tags?post=40774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}