{"id":50148,"date":"2022-08-11T16:04:23","date_gmt":"2022-08-11T14:04:23","guid":{"rendered":"https:\/\/www.fotolab.cz\/blog\/?p=50148"},"modified":"2022-09-13T18:37:01","modified_gmt":"2022-09-13T16:37:01","slug":"jak-vybrat-neutralni-sedy-filtr-nd","status":"publish","type":"post","link":"https:\/\/www.fotolab.cz\/blog\/jak-vybrat-neutralni-sedy-filtr-nd\/","title":{"rendered":"Jak vybrat neutr\u00e1ln\u00ed \u0161ed\u00fd filtr (ND)"},"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-69da6289c3e71\" 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-69da6289c3e71\"  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\/jak-vybrat-neutralni-sedy-filtr-nd\/#K_cemu_jsou_neutralni_sede_filtry\" title=\"K \u010demu jsou neutr\u00e1ln\u00ed \u0161ed\u00e9 filtry?\">K \u010demu jsou neutr\u00e1ln\u00ed \u0161ed\u00e9 filtry?<\/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\/jak-vybrat-neutralni-sedy-filtr-nd\/#Pevny_vs_variabilni_ND_filtr\" title=\"Pevn\u00fd vs. variabiln\u00ed ND filtr\">Pevn\u00fd vs. variabiln\u00ed ND filtr<\/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\/jak-vybrat-neutralni-sedy-filtr-nd\/#Znaceni_ND_filtru\" title=\"Zna\u010den\u00ed ND filtr\u016f\">Zna\u010den\u00ed ND filtr\u016f<\/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\/jak-vybrat-neutralni-sedy-filtr-nd\/#Jak_silny_filtr_potrebuji\" title=\"Jak siln\u00fd filtr pot\u0159ebuji?\">Jak siln\u00fd filtr pot\u0159ebuji?<\/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\/jak-vybrat-neutralni-sedy-filtr-nd\/#ND_filtry_v_praxi\" title=\"ND filtry v&nbsp;praxi\">ND filtry v&nbsp;praxi<\/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\/jak-vybrat-neutralni-sedy-filtr-nd\/#Na_co_si_dat_pozor\" title=\"Na co si d\u00e1t pozor\">Na co si d\u00e1t pozor<\/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\/jak-vybrat-neutralni-sedy-filtr-nd\/#Tipy_pri_praci_s_ND_filtry\" title=\"Tipy p\u0159i pr\u00e1ci s&nbsp;ND filtry\">Tipy p\u0159i pr\u00e1ci s&nbsp;ND filtry<\/a><\/li><\/ul><\/nav><\/div>\n<p><strong>ND filtry pat\u0159\u00ed mezi neju\u017eite\u010dn\u011bj\u0161\u00ed filtry v\u016fbec. Pom\u00e1haj\u00ed fotograf\u016fm a&nbsp;filma\u0159\u016fm pln\u011b kontrolovat expozi\u010dn\u00ed \u010das, a&nbsp;to i&nbsp;tehdy, kdy\u017e naraz\u00ed na limity fotoapar\u00e1tu.<\/strong><\/p>\n<p><!--more--><\/p>\n<h2><span class=\"ez-toc-section\" id=\"K_cemu_jsou_neutralni_sede_filtry\"><\/span>K \u010demu jsou neutr\u00e1ln\u00ed \u0161ed\u00e9 filtry?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>ND (neutr\u00e1ln\u00ed filtr) se pou\u017e\u00edv\u00e1 k&nbsp;prodlou\u017een\u00ed doby expozice. M\u016f\u017eete tak doc\u00edlit rozmaz\u00e1n\u00ed pohybuj\u00edc\u00edch se objekt\u016f, oblohy, vody nebo t\u0159eba lid\u00ed. Hod\u00ed se i&nbsp;v&nbsp;situac\u00edch, kdy chcete fotit portr\u00e9ty s&nbsp;v\u00fdrazn\u011b rozmazan\u00fdm pozad\u00edm a&nbsp;pop\u0159ed\u00edm v&nbsp;ostr\u00e9m sv\u011btle. V&nbsp;takov\u00e9 situaci mus\u00edte otev\u0159\u00edt clonu a&nbsp;\u010dasto pak naraz\u00edte na limit maxim\u00e1ln\u00ed rychlosti z\u00e1v\u011brky. ND filtr p\u0159esn\u011b toto \u0159e\u0161\u00ed.<\/p>\n<p>P\u0159\u00eddavn\u00e9 jm\u00e9no neutr\u00e1ln\u00ed v&nbsp;ozna\u010den\u00ed znamen\u00e1, \u017ee nedoch\u00e1z\u00ed k&nbsp;barevn\u00e9mu posunu. To u&nbsp;siln\u00fdch (a&nbsp;levn\u00fdch) ND filtr\u016f nemus\u00ed platit na 100&nbsp;%. ND filtry maj\u00ed r\u016fznou hustotu (schopnost pohlcovat sv\u011btlo) a&nbsp;z&nbsp;toho plynouc\u00ed r\u016fzn\u00e1 pou\u017eit\u00ed.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Pevny_vs_variabilni_ND_filtr\"><\/span>Pevn\u00fd vs. variabiln\u00ed ND filtr<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3>Pevn\u00e9 ND filtry<\/h3>\n<p><strong>Nejpou\u017e\u00edvan\u011bj\u0161\u00ed jsou pevn\u00e9 ND filtry. <\/strong>Vyr\u00e1b\u011bj\u00ed se ve velk\u00e9m rozsahu \u00fa\u010dinnost\u00ed. Nev\u00fdhodou je, \u017ee obvykle pot\u0159ebujete n\u011bkolik ND filtr\u016f s&nbsp;r\u016fznou hustotou. Pevn\u00e9 ND filtry mohou m\u00edt mnohem vy\u0161\u0161\u00ed hustotu ne\u017e ND filtry s&nbsp;prom\u011bnlivou hustotou a&nbsp;jsou tak\u00e9 kvalitn\u011bj\u0161\u00ed<\/p>\n<h3>Vario ND filtry<\/h3>\n<p><strong>Vario ND filtr se skl\u00e1d\u00e1 ze dvou polariza\u010dn\u00edch filtr\u016f um\u00edst\u011bn\u00fdch proti sob\u011b.&nbsp;<\/strong>Intenzita ztmaven\u00ed sc\u00e9ny se nastavuje ot\u00e1\u010den\u00edm p\u0159edn\u00edho \u010dlenu. Nastaven\u00ed absorpce je plynul\u00e9 a&nbsp;v&nbsp;pom\u011brn\u011b velk\u00e9m rozsahu. <strong>Maxim\u00e1ln\u00ed ztmaven\u00ed ND filtr\u016f Vario je omezen\u00e9.<\/strong><\/p>\n<p>Standardn\u00ed rozsah je ND2-ND400. Nejsiln\u011bj\u0161\u00ed filtry maj\u00ed rozsah ND32-ND500. Nen\u00ed mo\u017en\u00e9 vyrobit velmi siln\u00fd variabiln\u00ed ND filtr. Tyto filtry jsou obecn\u011b ni\u017e\u0161\u00ed kvality ne\u017e filtry s&nbsp;pevnou \u00fa\u010dinnost\u00ed. Jsou n\u00e1chyln\u011bj\u0161\u00ed k&nbsp;odlesk\u016fm, maj\u00ed znateln\u00fd barevn\u00fd posun a&nbsp;siln\u00e9 obrou\u010dky, kter\u00e9 mohou p\u0159i pou\u017eit\u00ed \u0161iroko\u00fahl\u00fdch objektiv\u016f zp\u016fsobovat vin\u011btaci.<\/p>\n<figure id=\"attachment_50156\" aria-describedby=\"caption-attachment-50156\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/03.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50156\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/03.jpeg\" alt=\"Variabiln\u00ed ND filtr\" width=\"700\" height=\"438\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/03.jpeg 1700w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/03-300x188.jpeg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/03-768x480.jpeg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/03-1536x960.jpeg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/03-50x31.jpeg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/03-370x231.jpeg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/03-270x169.jpeg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/03-740x463.jpeg 740w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-50156\" class=\"wp-caption-text\">ND filtr Vario. Okraj je siln\u011bj\u0161\u00ed, co\u017e zvy\u0161uje riziko vin\u011btace.<\/figcaption><\/figure>\n<blockquote><p>Standardn\u00ed ND filtry jsou d\u00edky sv\u00e9 vy\u0161\u0161\u00ed kvalit\u011b a&nbsp;v\u011bt\u0161\u00ed optick\u00e9 hustot\u011b mezi fotografy obl\u00edben\u00e9. Filma\u0159i d\u00e1vaj\u00ed p\u0159ednost variabiln\u00edm ND filtr\u016fm, proto\u017ee jsou prakti\u010dt\u011bj\u0161\u00ed a&nbsp;rozsah filtrace je pro n\u011b dostate\u010dn\u00fd.<\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Znaceni_ND_filtru\"><\/span>Zna\u010den\u00ed ND filtr\u016f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>V\u00fdrobci nej\u010dast\u011bji ozna\u010duj\u00ed ND filtry \u010d\u00edslem nebo optickou hustotou a&nbsp;n\u011bkdy i&nbsp;hodnotou ztr\u00e1ty EV.<\/strong> Pro u\u017eivatele je nejsnaz\u0161\u00ed pochopit ozna\u010den\u00ed podle \u010d\u00edsla ND. <strong>\u010c\u00edslo ND vyjad\u0159uje, kolikr\u00e1t m\u00e9n\u011b sv\u011btla filtr propou\u0161t\u00ed.<\/strong> V&nbsp;tabulce najdete srovn\u00e1n\u00ed nejpou\u017e\u00edvan\u011bj\u0161\u00edch zna\u010den\u00ed a&nbsp;propustnosti sv\u011btla.<\/p>\n<table style=\"height: 1197px;\" width=\"758\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\"><strong>Prodlou\u017een\u00ed \u010dasu o<\/strong><\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\"><strong>ND \u010d\u00edslo<\/strong><\/td>\n<td style=\"text-align: center;\" valign=\"top\"><strong>Optick\u00e1 hustota<\/strong><\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\"><strong>Propustnost sv\u011btla<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\">1 EV<\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND2<\/td>\n<td style=\"text-align: center;\" valign=\"top\">0,3<\/td>\n<td style=\"text-align: center;\" valign=\"top\">50&nbsp;%<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\">2 EV<\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND4<\/td>\n<td style=\"text-align: center;\" valign=\"top\">0,6<\/td>\n<td style=\"text-align: center;\" valign=\"top\">25&nbsp;%<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\">3 EV<\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND8<\/td>\n<td style=\"text-align: center;\" valign=\"top\">0,9<\/td>\n<td style=\"text-align: center;\" valign=\"top\">12,5&nbsp;%<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\">4 EV<\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND16<\/td>\n<td style=\"text-align: center;\" valign=\"top\">1,2<\/td>\n<td style=\"text-align: center;\" valign=\"top\">6,25&nbsp;%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" valign=\"top\">5 EV<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND32<\/td>\n<td style=\"text-align: center;\" valign=\"top\">1,5<\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\">3,125&nbsp;%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" valign=\"top\">6 EV<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND64<\/td>\n<td style=\"text-align: center;\" valign=\"top\">1,8<\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\">1,563&nbsp;%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\">6&nbsp;2\/3 EV<\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND100<\/td>\n<td style=\"text-align: center;\" valign=\"top\">2,0<\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\">1,0&nbsp;%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\">7 EV<\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND128<\/td>\n<td style=\"text-align: center;\" valign=\"top\">2,1<\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\">0,781&nbsp;%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\">7&nbsp;2\/3 EV<\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND200<\/td>\n<td style=\"text-align: center;\" valign=\"top\">2,3<\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\">0,40&nbsp;%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\">8 EV<\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND256<\/td>\n<td style=\"text-align: center;\" valign=\"top\">2,4<\/td>\n<td style=\"text-align: center;\" valign=\"top\">0,391&nbsp;%<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\">8&nbsp;2\/3 EV<\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND400<\/td>\n<td style=\"text-align: center;\" valign=\"top\">2,6<\/td>\n<td style=\"text-align: center;\" valign=\"top\">0,25&nbsp;%<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\">9 EV<\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND500\/ND512<\/td>\n<td style=\"text-align: center;\" valign=\"top\">2,7<\/td>\n<td style=\"text-align: center;\" valign=\"top\">0,195&nbsp;%<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\">10 EV<\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND1000\/ND1024<\/td>\n<td style=\"text-align: center;\" valign=\"top\">3,0<\/td>\n<td style=\"text-align: center;\" valign=\"top\">0,1&nbsp;%<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p style=\"text-align: center;\">11 EV<\/p>\n<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND2000<\/td>\n<td style=\"text-align: center;\" valign=\"top\">3,3<\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\">0,049&nbsp;%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" valign=\"top\">12 EV<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND4000<\/td>\n<td style=\"text-align: center;\" valign=\"top\">3,6<\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\">0,024&nbsp;%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" valign=\"top\">13 EV<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND8000<\/td>\n<td style=\"text-align: center;\" valign=\"top\">3,9<\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\">0,012&nbsp;%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" valign=\"top\">14 EV<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND10000<\/td>\n<td style=\"text-align: center;\" valign=\"top\">4,0<\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\">0,006&nbsp;%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" valign=\"top\">15 EV<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND32000<\/td>\n<td style=\"text-align: center;\" valign=\"top\">4,5<\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\">0,003&nbsp;%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" valign=\"top\">16 EV<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND64000<\/td>\n<td style=\"text-align: center;\" valign=\"top\">4,8<\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\">0,0015&nbsp;%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" valign=\"top\">17 EV<\/td>\n<td style=\"text-align: center;\" valign=\"top\">ND100000<\/td>\n<td style=\"text-align: center;\" valign=\"top\">5,0<\/td>\n<td valign=\"top\">\n<p style=\"text-align: center;\">0,0075&nbsp;%<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Rozd\u011blen\u00ed podle absorpce<\/h3>\n<p>Jak je vid\u011bt z&nbsp;tabulky, ND filtry se vyr\u00e1b\u011bj\u00ed v&nbsp;\u0161irok\u00e9m rozsahu absorp\u010dn\u00ed \u00fa\u010dinnosti. M\u016f\u017eeme je tedy rozd\u011blit do t\u0159\u00ed z\u00e1kladn\u00edch kategori\u00ed:<\/p>\n<ol>\n<li>Sv\u011btl\u00e9 ND filtry (ND2-ND16)<\/li>\n<li>St\u0159edn\u00ed ND filtry (ND32-ND512)<\/li>\n<li>Siln\u00e9 ND filtry (ND1000 a&nbsp;vy\u0161\u0161\u00ed)<\/li>\n<\/ol>\n<p>Toto rozd\u011blen\u00ed je pouze orienta\u010dn\u00ed, v&nbsp;praxi z\u00e1le\u017e\u00ed na tom, jak\u00fd konkr\u00e9tn\u00ed filtr (filtry) pot\u0159ebujete.<\/p>\n<blockquote><p>Tip: Krom\u011b b\u011b\u017en\u00fdch \u0161roubovac\u00edch filtr\u016f existuj\u00ed i&nbsp;<a href=\"https:\/\/www.fotolab.cz\/objektivy\/objektivy\/filtry?facetName_1=Magnetick\u00fd+ND+filtr&amp;facet_1=ads_f_45501_ntk_cs%253A%2522Magnetick%25C3%25BD%2BND%2Bfiltr%2522&amp;pageView=grid&amp;fromPage=catalogEntryList&amp;beginIndex=0#productListing\" target=\"_blank\" rel=\"noopener\"><strong>magnetick\u00e9 filtry<\/strong><\/a> se snadn\u00fdm pou\u017eit\u00edm<\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Jak_silny_filtr_potrebuji\"><\/span>Jak siln\u00fd filtr pot\u0159ebuji?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ne\u017e si koup\u00edte ND filtr, mus\u00edte si spo\u010d\u00edtat, jak siln\u00fd filtr pot\u0159ebujete. Pou\u017eijte aplikaci ND kalkula\u010dka (viz. n\u00ed\u017ee). Ve sv\u00e9m archivu si prohl\u00e9dn\u011bte fotografie a&nbsp;t\u00e9mata, pro kter\u00e9 byste cht\u011bli pou\u017e\u00edt del\u0161\u00ed \u010das, p\u0159e\u010dt\u011bte si expozi\u010dn\u00ed \u010das z&nbsp;EXIF a&nbsp;v&nbsp;aplikaci postupn\u011b m\u011b\u0148te filtry, dokud nedos\u00e1hnete \u010dasu, kter\u00fdm chcete sn\u00edmat.<\/p>\n<p>V\u00fdb\u011br filtr\u016f z\u00e1vis\u00ed tak\u00e9 na technice, kterou pou\u017e\u00edv\u00e1te. Fotoapar\u00e1ty maj\u00ed r\u016fzn\u00e9 z\u00e1kladn\u00ed a&nbsp;nejni\u017e\u0161\u00ed citlivosti ISO a&nbsp;r\u016fzn\u00e9 nejkrat\u0161\u00ed \u010dasy z\u00e1v\u011brky. Majitel\u00e9 <a href=\"https:\/\/www.fotolab.cz\/fotoaparaty?facetName_1=Full-frame&amp;facet_1=ads_f_49012_ntk_cs%253A%2522Full-frame%2522&amp;pageView=grid&amp;fromPage=catalogEntryList&amp;beginIndex=0#productListing\" target=\"_blank\" rel=\"noopener\"><strong>full-frame fotoapar\u00e1t\u016f<\/strong><\/a> mohou obecn\u011b pou\u017e\u00edvat vy\u0161\u0161\u00ed clonov\u00e1 \u010d\u00edsla ne\u017e majitel\u00e9 fotoapar\u00e1t\u016f APS-C a&nbsp;MFT, tak\u017ee p\u0159i stejn\u00fdch sv\u011bteln\u00fdch podm\u00ednk\u00e1ch dosahuj\u00ed del\u0161\u00edch expozi\u010dn\u00edch \u010das\u016f. <strong>Zm\u011bnou clony nebo citlivosti ISO m\u016f\u017eete dos\u00e1hnout m\u00edrn\u00fdch \u010dasov\u00fdch zm\u011bn.<\/strong><\/p>\n<h3>Jak vypo\u010d\u00edtat expozici?<\/h3>\n<p><strong>Fotoapar\u00e1ty mohou v&nbsp;z\u00e1vislosti na modelu automaticky nastavit nejdel\u0161\u00ed \u010das na 30 nebo 60 sekund. P\u0159i pou\u017eit\u00ed ND filtru bude ale \u010das del\u0161\u00ed a&nbsp;u\u017eivatel si ho mus\u00ed vypo\u010d\u00edtat.<\/strong> Pro v\u00fdpo\u010det expozi\u010dn\u00edho \u010dasu p\u0159i pou\u017eit\u00ed ND filtr\u016f m\u016f\u017eete pou\u017e\u00edt tabulky a&nbsp;vzorce. Mnohem jednodu\u0161\u0161\u00ed je v\u0161ak pou\u017e\u00edt aplikaci pro chytr\u00e1 za\u0159\u00edzen\u00ed s&nbsp;n\u00e1zvem ND kalkula\u010dka.<\/p>\n<p>N\u011bkte\u0159\u00ed v\u00fdrobci filtr\u016f maj\u00ed pro sv\u00e9 u\u017eivatele tak\u00e9 kalkula\u010dky ND. Jsou v\u0161ak univerz\u00e1ln\u00ed. Vyzkou\u0161ejte, kter\u00fd z&nbsp;nich v\u00e1m vyhovuje nejl\u00e9pe. Ty nejlep\u0161\u00ed um\u00ed vypo\u010d\u00edtat expozici i&nbsp;v&nbsp;p\u0159\u00edpad\u011b, \u017ee kombinujete dva ND filtry nebo kombinujete ND filtr s&nbsp;polariza\u010dn\u00edm filtrem. <strong>ND kalkula\u010dka v\u00e1m tak\u00e9 pom\u016f\u017ee zjistit, jak\u00fd filtr pot\u0159ebujete, pokud chcete exponovat v&nbsp;ur\u010dit\u00e9m \u010dase. N\u011bkter\u00e9 maj\u00ed i&nbsp;zabudovan\u00fd \u010dasova\u010d, kter\u00fd v\u00e1m pom\u016f\u017ee b\u011bhem samotn\u00e9 expozice.<\/strong><\/p>\n<figure id=\"attachment_50166\" aria-describedby=\"caption-attachment-50166\" style=\"width: 338px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/kalkulator.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50166\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/kalkulator.png\" alt=\"Kalkula\u010dka \u010dasu z\u00e1v\u011brky\" width=\"338\" height=\"600\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/kalkulator.png 640w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/kalkulator-169x300.png 169w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/kalkulator-28x50.png 28w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/kalkulator-370x657.png 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/kalkulator-270x479.png 270w\" sizes=\"(max-width: 338px) 100vw, 338px\" \/><\/a><figcaption id=\"caption-attachment-50166\" class=\"wp-caption-text\">Aplikace Lee Filters &#8211; Stopper Exposure.<\/figcaption><\/figure>\n<h3>Doporu\u010den\u00e9 aplikace pro v\u00fdpo\u010det \u010dasu z\u00e1v\u011brky<\/h3>\n<ul>\n<li>VFFOTO ND Filtr Kalkul\u00e1tor (<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.vffoto.ndfilter&amp;hl=cs\" target=\"_blank\" rel=\"noopener\" class=\"broken_link\">Android<\/a>, <a href=\"https:\/\/apps.apple.com\/cz\/app\/nd-filtr-kalkul%C3%A1tor\/id1497516301?l=cs\" target=\"_blank\" rel=\"noopener\" class=\"broken_link\">iOS<\/a>)<\/li>\n<li>Lee Filters &#8211; Stopper Exposure (<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.leefilters.admin.leestopperapp&amp;hl=sk&amp;gl=US\" target=\"_blank\" rel=\"noopener\" class=\"broken_link\">Android<\/a>, <a href=\"https:\/\/apps.apple.com\/us\/app\/lee-filters-stopper-exposure\/id1105022698\" target=\"_blank\" rel=\"noopener\">iOS<\/a>)<\/li>\n<li>NDTimer (<a href=\"https:\/\/apps.apple.com\/us\/app\/ndtimer\/id390568001\" target=\"_blank\" rel=\"noopener\" class=\"broken_link\">iOS<\/a>)<\/li>\n<li>Exposure Calculator (<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.quicosoft.exposurecalculator.app&amp;hl=en_US\" target=\"_blank\" rel=\"noopener\">Android<\/a>)<\/li>\n<li>B+W ND Calc (<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.werein.bw&amp;hl=en\" target=\"_blank\" rel=\"noopener\" class=\"broken_link\">Android<\/a>, <a href=\"https:\/\/apps.apple.com\/jo\/app\/b-w-nd-calc\/id1428593275\" target=\"_blank\" rel=\"noopener\" class=\"broken_link\">iOS<\/a>)<\/li>\n<li>PhotoPill &#8211; v\u00edce\u00fa\u010delov\u00e1 aplikace pro fotografy (<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.photopills.android.photopills&amp;hl=en_CA&amp;gl=US\" target=\"_blank\" rel=\"noopener\">Android<\/a>, <a href=\"https:\/\/apps.apple.com\/us\/app\/photopills\/id596026805\" target=\"_blank\" rel=\"noopener\">iOS<\/a>)<\/li>\n<li>ND Filter Expert (<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=eveandelse.com.ndfilterexpert.free\" target=\"_blank\" rel=\"noopener\">Android<\/a>)<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"ND_filtry_v_praxi\"><\/span>ND filtry v&nbsp;praxi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3>Sv\u011btl\u00e9 ND filtry \u2013 Portr\u00e9t a&nbsp;detailn\u00ed z\u00e1b\u011br s&nbsp;vysoce sv\u011bteln\u00fdm objektivem za vynikaj\u00edc\u00edch sv\u011bteln\u00fdch podm\u00ednek<\/h3>\n<p>P\u0159i fotografov\u00e1n\u00ed s&nbsp;objektivy s&nbsp;vysokou sv\u011btelnost\u00ed (F2 nebo lep\u0161\u00ed) za vynikaj\u00edc\u00edch sv\u011bteln\u00fdch podm\u00ednek, pokud chcete pln\u011b vyu\u017e\u00edt sv\u011bteln\u00fd v\u00fdkon objektivu, m\u016f\u017eete narazit na limit mechanick\u00e9 z\u00e1v\u011brky. Nejkrat\u0161\u00ed \u010das pro profesion\u00e1ln\u00ed fotoapar\u00e1ty b\u00fdv\u00e1 1\/8000 s, pro amat\u00e9rsk\u00e9 fotoapar\u00e1ty 1\/4000 s&nbsp;nebo dokonce jen 1\/2000 s. V\u00fdsledkem focen\u00ed bez ND filtru je p\u0159eexponovan\u00e1 fotografie.<\/p>\n<div class=\"row-fluid\">\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_50176\" aria-describedby=\"caption-attachment-50176\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50176\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret1.jpg\" alt=\"P\u0159eexponovan\u00e1 fotografie\" width=\"400\" height=\"600\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret1.jpg 1365w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret1-200x300.jpg 200w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret1-768x1152.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret1-1024x1536.jpg 1024w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret1-33x50.jpg 33w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret1-370x555.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret1-270x405.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret1-740x1110.jpg 740w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><figcaption id=\"caption-attachment-50176\" class=\"wp-caption-text\">Nejkrat\u0161\u00ed \u010das z\u00e1v\u011brky 1\/4000 s&nbsp;nebyl p\u0159i pou\u017eit\u00ed vysoce sv\u011bteln\u00e9ho objektivu 85\/1,4 dostate\u010dn\u011b kr\u00e1tk\u00fd.<\/figcaption><\/figure>\n<\/div>\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_50177\" aria-describedby=\"caption-attachment-50177\" style=\"width: 400px\" class=\"wp-caption alignnone\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50177\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret2.jpg\" alt=\"Dob\u0159e exponovan\u00e1 fotografie\" width=\"400\" height=\"600\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret2.jpg 1365w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret2-200x300.jpg 200w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret2-768x1152.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret2-1024x1536.jpg 1024w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret2-33x50.jpg 33w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret2-370x555.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret2-270x405.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/portret2-740x1110.jpg 740w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><figcaption id=\"caption-attachment-50177\" class=\"wp-caption-text\">S&nbsp;filtrem ND8 bylo mo\u017en\u00e9 zkr\u00e1tit \u010das na 1\/800 s.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<p>Pro spr\u00e1vnou expozici pot\u0159ebujete 1\/16000 s&nbsp;nebo je\u0161t\u011b krat\u0161\u00ed \u010das. M\u016f\u017eete zv\u00fd\u0161it clonov\u00e9 \u010d\u00edslo, ale t\u00edm se zv\u011bt\u0161\u00ed hloubka ostrosti a&nbsp;ztrat\u00edte maxim\u00e1ln\u011b rozost\u0159en\u00e9 pozad\u00ed. To nechcete. \u0158e\u0161en\u00edm je pou\u017eit\u00ed ND filtru. Posta\u010d\u00ed filtr, kter\u00fd ub\u00edr\u00e1 2-3 EV, tedy ND4 nebo ND8.<\/p>\n<div class=\"row-fluid\">\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_50179\" aria-describedby=\"caption-attachment-50179\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50179\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda1.jpg\" alt=\"Fotografie vody\" width=\"400\" height=\"600\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda1.jpg 1365w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda1-200x300.jpg 200w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda1-768x1152.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda1-1024x1536.jpg 1024w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda1-33x50.jpg 33w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda1-370x555.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda1-270x405.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda1-740x1110.jpg 740w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><figcaption id=\"caption-attachment-50179\" class=\"wp-caption-text\">Voda fotografovan\u00e1 v&nbsp;siln\u00e9m protisv\u011btle objektivem 85\/1,4. Ani expozi\u010dn\u00ed \u010das 1\/8000 s&nbsp;nesta\u010dil k&nbsp;tomu, aby sn\u00edmek nebyl p\u0159eexponovan\u00fd.<\/figcaption><\/figure>\n<\/div>\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_50180\" aria-describedby=\"caption-attachment-50180\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50180\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda2.jpg\" alt=\"Fotografie s ND filtrem\" width=\"400\" height=\"600\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda2.jpg 1365w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda2-200x300.jpg 200w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda2-768x1152.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda2-1024x1536.jpg 1024w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda2-33x50.jpg 33w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda2-370x555.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda2-270x405.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/voda2-740x1110.jpg 740w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><figcaption id=\"caption-attachment-50180\" class=\"wp-caption-text\">S&nbsp;filtrem ND8 se doba expozice prodlou\u017eila na 1\/6400 s, co\u017e je v&nbsp;rozsahu mechanick\u00e9 z\u00e1v\u011brky pou\u017eit\u00e9ho fotoapar\u00e1tu.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<h3>St\u0159edn\u00ed ND filtry &#8211; rychle tekouc\u00ed voda (potoky, vodop\u00e1dy, font\u00e1ny)<\/h3>\n<p>Pro fotografov\u00e1n\u00ed rychle tekouc\u00ed vody se pou\u017e\u00edvaj\u00ed \u010dasy kolem 1 sekundy. To je dobr\u00fd \u010das pro nazna\u010den\u00ed pohybu vody p\u0159i zachov\u00e1n\u00ed jej\u00ed textury a&nbsp;kontur. Za velmi dobr\u00fdch sv\u011bteln\u00fdch podm\u00ednek pot\u0159ebujete filtr ND64 a\u017e ND400. Za hor\u0161\u00edch sv\u011bteln\u00fdch podm\u00ednek, nap\u0159\u00edklad v&nbsp;tmav\u00e9m lese, jsou to filtry ND32 a\u017e ND128. M\u016f\u017eete je pou\u017e\u00edt tak\u00e9 p\u0159i fotografov\u00e1n\u00ed sv\u011bteln\u00fdch stop automobil\u016f a&nbsp;jin\u00fdch vozidel.<\/p>\n<blockquote><p>Tip: <strong>Kompletn\u00ed nab\u00eddku ND filtr\u016f najdete na e-shopu Fotolab.cz<\/strong><\/p><\/blockquote>\n<figure id=\"attachment_50169\" aria-describedby=\"caption-attachment-50169\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/potok1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50169\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/potok1.jpg\" alt=\"Focen\u00ed rozmazan\u00e9 vody\" width=\"700\" height=\"525\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/potok1.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/potok1-300x225.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/potok1-768x576.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/potok1-1536x1152.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/potok1-50x38.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/potok1-370x278.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/potok1-270x203.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/potok1-740x555.jpg 740w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/potok1-80x60.jpg 80w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-50169\" class=\"wp-caption-text\">Rychle tekouc\u00ed potok. Efektivn\u00ed rozmaz\u00e1n\u00ed pohybu vody s&nbsp;\u010dasem 1\/3 sekundy. P\u0159i zata\u017een\u00e9m po\u010das\u00ed posta\u010d\u00ed filtr ND32 a\u017e ND128.<\/figcaption><\/figure>\n<figure id=\"attachment_50173\" aria-describedby=\"caption-attachment-50173\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/fontana1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50173\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/fontana1.jpg\" alt=\"Voda na kr\u00e1tk\u00fd expozi\u010dn\u00ed \u010das\" width=\"700\" height=\"467\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/fontana1.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/fontana1-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/fontana1-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/fontana1-1536x1024.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/fontana1-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/fontana1-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/fontana1-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/fontana1-740x493.jpg 740w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-50173\" class=\"wp-caption-text\">1\/3200 s, bez filtru. Atraktivn\u00ed zachycov\u00e1n\u00ed vody ve form\u011b kuli\u010dek. Z\u00e1le\u017e\u00ed na fotografovi, zda se rozhodne zachytit pohyb ost\u0159e, nebo rozmazan\u011b.<\/figcaption><\/figure>\n<dl id=\"attachment_50173\" class=\"wp-caption aligncenter\" style=\"width: 2048px;\"><\/dl>\n<div class=\"mceTemp\">\n<div class=\"mceTemp\">\n<div class=\"mceTemp\">\n<div class=\"mceTemp\">\n<div class=\"mceTemp\">\n<div class=\"mceTemp\">\n<div class=\"mceTemp\">\n<div class=\"mceTemp\">\n<div class=\"mceTemp\">\n<div class=\"mceTemp\">\n<div class=\"mceTemp\">\n<div class=\"mceTemp\">\n<figure id=\"attachment_50167\" aria-describedby=\"caption-attachment-50167\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50167\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most1.jpg\" alt=\"Bratislavsk\u00e9 UFO\" width=\"700\" height=\"467\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most1.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most1-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most1-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most1-1536x1024.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most1-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most1-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most1-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most1-740x493.jpg 740w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-50167\" class=\"wp-caption-text\">Most b\u011bhem modr\u00e9 hl\u00eddky. Bez filtru je \u010das 1\/2 sekundy. Stopy sv\u011btel automobilu nejsou dostate\u010dn\u011b dlouh\u00e9.<\/figcaption><\/figure>\n<figure id=\"attachment_50168\" aria-describedby=\"caption-attachment-50168\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50168\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most2.jpg\" alt=\"Modr\u00e1 hodinka ND filtr\" width=\"700\" height=\"525\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most2.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most2-300x225.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most2-768x576.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most2-1536x1152.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most2-50x38.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most2-370x278.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most2-270x203.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most2-740x555.jpg 740w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/most2-80x60.jpg 80w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-50168\" class=\"wp-caption-text\">K&nbsp;\u00fa\u010dinn\u00e9mu prodlou\u017een\u00ed sv\u011bteln\u00fdch stop sta\u010d\u00ed filtr ND32. S&nbsp;n\u00edm lze dos\u00e1hnout \u010das\u016f v&nbsp;\u0159\u00e1du des\u00edtek sekund.<\/figcaption><\/figure>\n<h3>St\u0159edn\u00ed a&nbsp;siln\u00e9 ND filtry &#8211; Pomalu tekouc\u00ed a&nbsp;stojat\u00e1 voda (\u0159eka, mo\u0159e)<\/h3>\n<p>U pomalu tekouc\u00ed nebo stojat\u00e9 vody pot\u0159ebujete pro efektn\u00ed rozost\u0159en\u00ed \u010das v&nbsp;\u0159\u00e1du sekund, l\u00e9pe des\u00edtek sekund. Za velmi dobr\u00fdch sv\u011bteln\u00fdch podm\u00ednek pot\u0159ebujete filtr ND1000\/ND2000.<\/p>\n<div class=\"row-fluid\">\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_50160\" aria-describedby=\"caption-attachment-50160\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50160\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj1.jpg\" alt=\"Dunaj lo\u010f\u011b\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj1.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj1-300x225.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj1-768x576.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj1-1536x1152.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj1-50x38.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj1-370x278.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj1-270x203.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj1-740x555.jpg 740w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj1-80x60.jpg 80w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-50160\" class=\"wp-caption-text\">Doba expozice 1\/500 s. Bez filtru. Dunaj je zachycen staticky.<\/figcaption><\/figure>\n<\/div>\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_50161\" aria-describedby=\"caption-attachment-50161\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50161\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj2.jpg\" alt=\"Dunaj v l\u00e9t\u011b\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj2.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj2-300x225.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj2-768x576.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj2-1536x1152.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj2-50x38.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj2-370x278.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj2-270x203.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj2-740x555.jpg 740w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj2-80x60.jpg 80w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-50161\" class=\"wp-caption-text\">Doba expozice 1\/3 s. s&nbsp;filtrem ND64. Dunaj je dynami\u010dt\u011bji rozmazan\u00fd, ale st\u00e1le ne dostate\u010dn\u011b.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<div class=\"row-fluid\">\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_50162\" aria-describedby=\"caption-attachment-50162\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50162\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj3.jpg\" alt=\"dynamick\u00e1 expozice s ND filtrem\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj3.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj3-300x225.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj3-768x576.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj3-1536x1152.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj3-50x38.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj3-370x278.jpg 370w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-50162\" class=\"wp-caption-text\">Doba expozice 6 s. s&nbsp;filtrem ND2000.&nbsp;\u0158eka je dynamicky rozmazan\u00e1, fotografie je zaj\u00edmav\u011bj\u0161\u00ed.<\/figcaption><\/figure>\n<\/div>\n<div class=\"span6 rhcol\">\n<figure id=\"attachment_50163\" aria-describedby=\"caption-attachment-50163\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj4.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50163\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj4.jpg\" alt=\"Extr\u00e9mn\u011b dlouh\u00e1 expozice\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj4.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj4-300x225.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj4-768x576.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj4-1536x1152.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj4-50x38.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj4-370x278.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj4-270x203.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj4-740x555.jpg 740w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/dunaj4-80x60.jpg 80w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-50163\" class=\"wp-caption-text\">Pou\u017eit\u00e1 kombinace filtr\u016f ND2000 a&nbsp;ND 64. V\u00fdsledn\u00fd \u010das je 2 minuty a&nbsp;6 sekund.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<p><span style=\"font-size: 16px;\">B\u011bhem modr\u00e9 hodiny, tedy v&nbsp;dob\u011b kr\u00e1tce po z\u00e1padu slunce, kdy se po\u0159izuj\u00ed no\u010dn\u00ed sn\u00edmky, budete pot\u0159ebovat filtr ND16 a\u017e ND64.<\/span><\/p>\n<figure id=\"attachment_50165\" aria-describedby=\"caption-attachment-50165\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/hrad.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50165\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/hrad.jpg\" alt=\"Bratislavsk\u00fd hrad b\u011bhem modr\u00e9 hodinky\" width=\"700\" height=\"467\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/hrad.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/hrad-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/hrad-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/hrad-1536x1024.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/hrad-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/hrad-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/hrad-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/hrad-740x493.jpg 740w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-50165\" class=\"wp-caption-text\">Za\u010d\u00edn\u00e1 modr\u00e1 hodina. Bez filtru se zde objevuj\u00ed \u010dasy pod 1 sekundu. Pro \u00fa\u010dinn\u00e9 rozost\u0159en\u00ed Dunaje se pou\u017e\u00edv\u00e1 filtr ND64. Doba expozice 30 sekund.<\/figcaption><\/figure>\n<p>K \u00fa\u010dinn\u00e9mu rozost\u0159en\u00ed osob a&nbsp;vozidel lze pou\u017e\u00edt tak\u00e9 st\u0159edn\u00ed a&nbsp;siln\u00e9 ND filtry. Pomoc\u00ed velmi siln\u00fdch filtr\u016f je m\u016f\u017eete z&nbsp;fotografovan\u00e9 sc\u00e9ny &#8222;vymazat&#8220; ruch m\u011bsta.<\/p>\n<\/div>\n<div class=\"mceTemp\">\n<p><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/elektricka.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50164 aligncenter\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/elektricka.jpg\" alt=\"Oran\u017eov\u00e1 tramvaj\" width=\"700\" height=\"525\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/elektricka.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/elektricka-300x225.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/elektricka-768x576.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/elektricka-1536x1152.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/elektricka-50x38.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/elektricka-370x278.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/elektricka-270x203.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/elektricka-740x555.jpg 740w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/elektricka-80x60.jpg 80w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<h3>Siln\u00e9 ND filtry &#8211; Experimenty s&nbsp;dlouh\u00fdmi expozi\u010dn\u00edmi \u010dasy<\/h3>\n<p>Pokud r\u00e1di experimentujete s&nbsp;velmi dlouh\u00fdmi expozi\u010dn\u00edmi \u010dasy b\u011bhem dne, budete pot\u0159ebovat velmi siln\u00fd ND filtr, ND4000 nebo v\u00edce. M\u016f\u017eete tak\u00e9 kombinovat dva filtry, nap\u0159\u00edklad ND2000 + ND64, ale zde hroz\u00ed riziko vin\u011btace a&nbsp;chyby p\u0159i po\u010d\u00edt\u00e1n\u00ed expozi\u010dn\u00edho \u010dasu. Ty se mohou pohybovat v&nbsp;\u0159\u00e1du des\u00edtek sekund a\u017e minut. Siln\u00e9 ND filtry se pou\u017e\u00edvaj\u00ed tak\u00e9 pro fotografov\u00e1n\u00ed zatm\u011bn\u00ed Slunce, ty nejsiln\u011bj\u0161\u00ed tak\u00e9 pro p\u0159\u00edm\u00e9 fotografov\u00e1n\u00ed Slunce.<\/p>\n<figure id=\"attachment_50158\" aria-describedby=\"caption-attachment-50158\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/bratislava.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50158\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/bratislava.jpg\" alt=\"\u010cern\u00e1 mra\u010dna\" width=\"700\" height=\"467\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/bratislava.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/bratislava-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/bratislava-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/bratislava-1536x1024.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/bratislava-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/bratislava-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/bratislava-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/bratislava-740x493.jpg 740w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-50158\" class=\"wp-caption-text\">Extr\u00e9mn\u00ed rozost\u0159en\u00ed vody a&nbsp;mrak\u016f s&nbsp;\u010dasem 7 minut a&nbsp;26 sekund. Kombinace filtr\u016f ND2000 a&nbsp;ND64.<\/figcaption><\/figure>\n<figure id=\"attachment_50171\" aria-describedby=\"caption-attachment-50171\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/zatmenie.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50171\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/zatmenie.jpeg\" alt=\"\u010c\u00e1ste\u010dn\u00e9 zatm\u011bn\u00ed slunce m\u011bs\u00edcem\" width=\"700\" height=\"432\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/zatmenie.jpeg 1621w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/zatmenie-300x185.jpeg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/zatmenie-768x474.jpeg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/zatmenie-1536x948.jpeg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/zatmenie-50x31.jpeg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/zatmenie-370x228.jpeg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/zatmenie-270x167.jpeg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/zatmenie-740x457.jpeg 740w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-50171\" class=\"wp-caption-text\">\u010c\u00e1ste\u010dn\u00e9 zatm\u011bn\u00ed Slunce. 1\/8000 s, f\/13, ISO 50. Filtr ND1000.<\/figcaption><\/figure>\n<figure id=\"attachment_50159\" aria-describedby=\"caption-attachment-50159\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/casozber.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50159\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/casozber.jpg\" alt=\"Skl\u00e1d\u00e1n\u00ed mrak\u016f\" width=\"700\" height=\"525\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/casozber.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/casozber-300x225.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/casozber-768x576.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/casozber-1536x1152.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/casozber-50x38.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/casozber-370x278.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/casozber-270x203.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/casozber-740x555.jpg 740w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/casozber-80x60.jpg 80w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-50159\" class=\"wp-caption-text\">Technika &#8222;skl\u00e1d\u00e1n\u00ed mrak\u016f&#8220; vznik\u00e1 kombinac\u00ed n\u011bkolika z\u00e1b\u011br\u016f po\u0159\u00edzen\u00fdch v&nbsp;del\u0161\u00edm \u010dasov\u00e9m obdob\u00ed.<\/figcaption><\/figure>\n<h3>Variabiln\u00ed ND filtry na nat\u00e1\u010den\u00ed vide\u00ed<\/h3>\n<div>V souvislosti s&nbsp;filmem a&nbsp;videem hovo\u0159\u00edme o&nbsp;tzv. filmov\u00e9m pohledu. Ten se skl\u00e1d\u00e1 z&nbsp;n\u011bkolika prvk\u016f. Je to pr\u00e1ce s&nbsp;malou hloubkou ostrosti, barevn\u00fd grading atd. P\u0159i nat\u00e1\u010den\u00ed pohybu je d\u016fle\u017eit\u00fdm prvkem spr\u00e1vn\u00e1 doba expozice. Tato hodnota by m\u011bla b\u00fdt rovna dvojn\u00e1sobku sn\u00edmkovac\u00ed frekvence.Velmi kr\u00e1tk\u00e9 expozi\u010dn\u00ed \u010dasy zp\u016fsobuj\u00ed, \u017ee sn\u00edm\u00e1n\u00ed pohybu vypad\u00e1 p\u0159\u00edli\u0161 ost\u0159e a&nbsp;digit\u00e1ln\u011b. Z&nbsp;film\u016f je re\u017eie zvykl\u00e1 na ur\u010ditou pohybovou neostrost, kter\u00e1 vypad\u00e1 p\u0159irozen\u011bji a&nbsp;filmov\u011bji.<\/div>\n<p>Pr\u00e1v\u011b ND filtr Vario je pro filma\u0159e a&nbsp;kameramany nejprakti\u010dt\u011bj\u0161\u00ed. Mohou pr\u016fb\u011b\u017en\u011b m\u011bnit \u00fa\u010dinnost, p\u0159izp\u016fsobovat ji m\u011bn\u00edc\u00edm se podm\u00ednk\u00e1m a&nbsp;snadno nastavit po\u017eadovan\u00fd expozi\u010dn\u00ed \u010das, ani\u017e by museli pracovat s&nbsp;clonou nebo citlivost\u00ed ISO. ND filtr Vario samoz\u0159ejm\u011b zabra\u0148uje p\u0159eexponov\u00e1n\u00ed p\u0159i pou\u017eit\u00ed objektiv\u016f s&nbsp;vysokou sv\u011btelnost\u00ed. Pou\u017e\u00edv\u00e1 se tak\u00e9 k&nbsp;simulaci no\u010dn\u00ed sc\u00e9ny a&nbsp;k&nbsp;vytvo\u0159en\u00ed efektu postupn\u00e9ho ztmavov\u00e1n\u00ed nebo zesv\u011btlov\u00e1n\u00ed obrazu.<\/p>\n<div>V uk\u00e1zkov\u00e9m videu m\u016f\u017eete vid\u011bt srovn\u00e1n\u00ed sn\u00edm\u00e1n\u00ed pohybu s&nbsp;kr\u00e1tk\u00fdmi \u010dasy a&nbsp;doporu\u010den\u00fdm \u010dasem. Video je sn\u00edm\u00e1no rychlost\u00ed 50 FPS, tak\u017ee doporu\u010den\u00e1 doba expozice je 1\/100 s.<\/div>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/mn7F5TC9D2M\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<blockquote><p>Tip: Pokud nahr\u00e1v\u00e1te s&nbsp;obrazov\u00fdm profilem Log, v\u011bt\u0161ina za\u0159\u00edzen\u00ed pou\u017e\u00edv\u00e1 vy\u0161\u0161\u00ed citlivost ISO, ne\u017e je nomin\u00e1ln\u00ed.<\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Na_co_si_dat_pozor\"><\/span>Na co si d\u00e1t pozor<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3>Barevn\u00fd posun<\/h3>\n<p>P\u0159esto\u017ee ND filtry maj\u00ed v&nbsp;n\u00e1zvu neutr\u00e1ln\u00ed hustotu, u&nbsp;filtr\u016f s&nbsp;vysokou hustotou doch\u00e1z\u00ed k&nbsp;barevn\u00e9mu posunu. Jeho velikost z\u00e1vis\u00ed na kvalit\u011b filtru. Dobr\u00fdm zp\u016fsobem, jak tento posun korigovat, je pou\u017eit\u00ed tepl\u00fdch barev. Hor\u0161\u00ed je fialov\u00fd posun, kter\u00fd se obt\u00ed\u017en\u011b opravuje. U&nbsp;siln\u00fdch filtr\u016f investujte do kvality, zde se nevyplat\u00ed \u0161et\u0159it.<\/p>\n<figure id=\"attachment_50178\" aria-describedby=\"caption-attachment-50178\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/posun.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50178\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/posun.jpg\" alt=\"Posun barev u ND filtru\" width=\"700\" height=\"467\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/posun.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/posun-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/posun-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/posun-1536x1024.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/posun-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/posun-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/posun-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/posun-740x493.jpg 740w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-50178\" class=\"wp-caption-text\">V\u00fdrazn\u00fd posun k&nbsp;tepl\u00fdm barv\u00e1m u&nbsp;star\u0161\u00edho filtru ND1000.<\/figcaption><\/figure>\n<h3>Reflexy<\/h3>\n<p>Kvalitn\u00ed ND filtry jsou vybaveny antireflexn\u00edmi vrstvami. I&nbsp;tak je ale dobr\u00e9 pou\u017e\u00edvat slune\u010dn\u00ed clonu. P\u0159i dlouh\u00fdch expozic\u00edch se sv\u011btlo m\u016f\u017ee m\u011bnit a&nbsp;hroz\u00ed v\u011bt\u0161\u00ed riziko odraz\u016f.<\/p>\n<h3>K\u0159\u00ed\u017eov\u00fd efekt<\/h3>\n<p>U variabiln\u00edch ND filtr\u016f m\u016f\u017ee p\u0159i nastaven\u00ed maxim\u00e1ln\u00ed absorpce doj\u00edt ke k\u0159\u00ed\u017eov\u00e9mu efektu. To se projevuje vytvo\u0159en\u00edm viditeln\u00e9ho k\u0159\u00ed\u017ee nebo z\u00e1voje. Z&nbsp;tohoto d\u016fvodu obvykle nelze vyu\u017e\u00edt maxim\u00e1ln\u00ed absorpci.<\/p>\n<figure id=\"attachment_50175\" aria-describedby=\"caption-attachment-50175\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/krizovy.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50175\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/krizovy.jpg\" alt=\"K\u0159\u00ed\u017eov\u00fd efekt u filtr\u016f\" width=\"700\" height=\"467\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/krizovy.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/krizovy-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/krizovy-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/krizovy-1536x1024.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/krizovy-50x33.jpg 50w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/krizovy-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/krizovy-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2022\/07\/krizovy-740x493.jpg 740w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-50175\" class=\"wp-caption-text\">K\u0159\u00ed\u017eov\u00fd efekt se m\u016f\u017ee projevit tak\u00e9 v&nbsp;modr\u00e9m z\u00e1voji, jako je tento.<\/figcaption><\/figure>\n<h3>Pr\u016fnik sv\u011btla hled\u00e1\u010dkem<\/h3>\n<p>Majitel\u00e9 digit\u00e1ln\u00edch zrcadlovek si mus\u00ed d\u00e1t pozor na pronik\u00e1n\u00ed parazitn\u00edho sv\u011btla p\u0159es hled\u00e1\u010dek, kter\u00e9 zp\u016fsobuje z\u00e1voj na fotografi\u00edch. N\u011bkter\u00e9 profesion\u00e1ln\u00ed digit\u00e1ln\u00ed zrcadlovky maj\u00ed vestav\u011bnou krytku hled\u00e1\u010dku; jin\u00e9 modely se obvykle dod\u00e1vaj\u00ed s&nbsp;krytkou, kter\u00e1 se nasazuje na okul\u00e1r. \u010casto se nach\u00e1z\u00ed na popruhu fotoapar\u00e1tu.<\/p>\n<h3>Vin\u011btace<\/h3>\n<p>Stejn\u011b jako u&nbsp;jin\u00fdch kruhov\u00fdch filtr\u016f m\u016f\u017ee p\u0159i jejich vrstven\u00ed na sebe doch\u00e1zet k&nbsp;vin\u011btaci. To plat\u00ed i&nbsp;pro z\u00e1suvn\u00e9 filtry, u&nbsp;nich\u017e m\u016f\u017ee doch\u00e1zet k&nbsp;vin\u011btaci na dr\u017e\u00e1ku filtru.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tipy_pri_praci_s_ND_filtry\"><\/span>Tipy p\u0159i pr\u00e1ci s&nbsp;ND filtry<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Fotoapar\u00e1t m\u016f\u017eete ovl\u00e1dat pomoc\u00ed d\u00e1lkov\u00e9 spou\u0161t\u011b nebo aplikace Blue Tooth.<\/li>\n<li>U digit\u00e1ln\u00edch zrcadlovek zakryjte hled\u00e1\u010dek.<\/li>\n<li>Abyste zabr\u00e1nili odraz\u016fm, pou\u017eijte slune\u010dn\u00ed clonu nebo kompendium.<\/li>\n<li>U velmi dlouh\u00fdch expozic je n\u011bkdy nutn\u00e9 prov\u00e9st korekci expozice, kterou vypo\u010d\u00edt\u00e1 fotoapar\u00e1t nebo kalkula\u010dka.<\/li>\n<li>U siln\u00fdch filtr\u016f p\u0159ed pou\u017eit\u00edm filtru komponujte a&nbsp;zaost\u0159ete.<\/li>\n<li>Fotografujte do form\u00e1tu RAW. Snadn\u011bji tak m\u016f\u017eete korigovat barevn\u00fd posun.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<blockquote>\n<div>Tip: <a href=\"https:\/\/www.fotolab.cz\/objektivy\/objektivy\/filtry?facetName_1=Klasick\u00fd+ND+filtr&amp;facet_1=ads_f_45501_ntk_cs%253A%2522Klasick%25C3%25BD%2BND%2Bfiltr%2522&amp;pageView=grid&amp;fromPage=catalogEntryList&amp;beginIndex=0#productListing\" target=\"_blank\" rel=\"noopener\"><strong>Klasick\u00e9 \u0161roubovac\u00ed ND filtry najdete na e-shopu Fotolab.cz<\/strong><\/a><\/div>\n<\/blockquote>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>ND filtry pat\u0159\u00ed mezi neju\u017eite\u010dn\u011bj\u0161\u00ed filtry v\u016fbec. Pom\u00e1haj\u00ed fotograf\u016fm a&nbsp;filma\u0159\u016fm pln\u011b kontrolovat expozi\u010dn\u00ed \u010das, a&nbsp;to i&nbsp;tehdy, kdy\u017e naraz\u00ed na limity fotoapar\u00e1tu.<\/p>\n","protected":false},"author":274,"featured_media":50170,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[1144,256,18],"tags":[1992,1824,1991],"class_list":["post-50148","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-filtry","category-fotograficka-poradna","category-novinky","tag-filtr","tag-filtry","tag-nd"],"wppr_data":{"cwp_meta_box_check":"No"},"_links":{"self":[{"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts\/50148"}],"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\/274"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/comments?post=50148"}],"version-history":[{"count":10,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts\/50148\/revisions"}],"predecessor-version":[{"id":50393,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts\/50148\/revisions\/50393"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/media\/50170"}],"wp:attachment":[{"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/media?parent=50148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/categories?post=50148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/tags?post=50148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}