{"id":8556,"date":"2023-08-25T00:00:00","date_gmt":"2023-08-25T00:00:00","guid":{"rendered":"https:\/\/tech-lib.eu\/tech\/jak-funguji-megapixely-zkoumani-rozliseni-digitalnich-fotoaparatu\/"},"modified":"2023-08-25T00:00:00","modified_gmt":"2023-08-25T00:00:00","slug":"jak-funguji-megapixely-zkoumani-rozliseni-digitalnich-fotoaparatu","status":"publish","type":"post","link":"https:\/\/tech-lib.eu\/tech\/jak-funguji-megapixely-zkoumani-rozliseni-digitalnich-fotoaparatu\/","title":{"rendered":"Jak funguj\u00ed megapixely. Zkoum\u00e1n\u00ed rozli\u0161en\u00ed digit\u00e1ln\u00edch fotoapar\u00e1t\u016f"},"content":{"rendered":"<div class=\"articlecontent\">\n<div class=\"newlinediv\"><\/div>\n<p> N\u00e1\u0161 \u017eivot by nebyl stejn\u00fd bez nepostradateln\u00e9 role, kterou hraj\u00ed digit\u00e1ln\u00ed fotoapar\u00e1ty p\u0159i shroma\u017e\u010fov\u00e1n\u00ed a uchov\u00e1v\u00e1n\u00ed na\u0161ich vz\u00e1cn\u00fdch vzpom\u00ednek. Mno\u017estv\u00ed megapixel\u016f (MP), kter\u00e9 fotoapar\u00e1t m\u00e1, je jednou z kl\u00ed\u010dov\u00fdch vlastnost\u00ed, kter\u00e9 \u010dasto rozhoduj\u00ed debaty a n\u00e1kupn\u00ed rozhodnut\u00ed. Co p\u0159esn\u011b v\u0161ak megapixely jsou a jak ovliv\u0148uj\u00ed kvalitu na\u0161ich sn\u00edmk\u016f? V tomto p\u0159\u00edsp\u011bvku se budeme zab\u00fdvat slo\u017eitost\u00ed megapixel\u016f a odpov\u00edme na \u010dasto kladen\u00e1 t\u00e9mata, jako kolik megapixel\u016f je v rozli\u0161en\u00ed 1080p, zda je 20megapixelov\u00fd fotoapar\u00e1t dobr\u00fd, kolik megapixel\u016f m\u00e1 na\u0161e oko a co dok\u00e1\u017ee 108MP fotoapar\u00e1t. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Nejprve si definujme, co je to megapixel. Zjednodu\u0161en\u011b \u0159e\u010deno, jeden megapixel tvo\u0159\u00ed milion pixel\u016f. Nejmen\u0161\u00ed sou\u010d\u00e1st\u00ed po\u010d\u00edta\u010dov\u00e9ho obrazu je pixel, zn\u00e1m\u00fd tak\u00e9 jako obrazov\u00fd prvek. Proto se po\u010det jednotliv\u00fdch pixel\u016f, kter\u00e9 dok\u00e1\u017ee zaznamenat obrazov\u00fd sn\u00edma\u010d fotoapar\u00e1tu, vyjad\u0159uje v megapixelech. Cel\u00fd obraz se skl\u00e1d\u00e1 z jednotliv\u00fdch pixel\u016f, z nich\u017e ka\u017ed\u00fd nese \u00fadaje o barv\u011b, intenzit\u011b a dal\u0161\u00edch atributech. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Term\u00edn &#8222;1080p&#8220; se \u010dasto pou\u017e\u00edv\u00e1 v souvislosti s rozli\u0161en\u00edm videa. Rozli\u0161en\u00ed 1920 pixel\u016f v horizont\u00e1ln\u00edm sm\u011bru a 1080 pixel\u016f ve vertik\u00e1ln\u00edm sm\u011bru se ozna\u010duje jako 1080p. Tyto dva \u00fadaje se\u010dteme a ur\u010d\u00edme celkov\u00fd po\u010det pixel\u016f: 1920 x 1080 odpov\u00edd\u00e1 2 073 600 pixel\u016fm, tedy p\u0159ibli\u017en\u011b 2,1 megapixelu. Video s rozli\u0161en\u00edm 1080p m\u00e1 tedy p\u0159ibli\u017en\u011b 2,1 megapixelu. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Nyn\u00ed probereme, zda je 20megapixelov\u00fd fotoapar\u00e1t efektivn\u00ed. Odpov\u011b\u010f vych\u00e1z\u00ed z \u0159ady prom\u011bnn\u00fdch, v\u010detn\u011b zam\u00fd\u0161len\u00e9ho pou\u017eit\u00ed sn\u00edmk\u016f a individu\u00e1ln\u00edch preferenc\u00ed. Dvacetimegapixelov\u00fd fotoapar\u00e1t obvykle dok\u00e1\u017ee zachytit fotografie s jemn\u00fdmi detaily, co\u017e umo\u017e\u0148uje po\u0159izovat velk\u00e9 v\u00fdtisky nebo rozs\u00e1hl\u00e9 o\u0159ezy bez znateln\u00e9ho sn\u00ed\u017een\u00ed kvality. D\u00edky velk\u00e9 volnosti pro kreativn\u00ed volby a n\u00e1sledn\u00e9 zpracov\u00e1n\u00ed je toto rozli\u0161en\u00ed vhodn\u00e9 pro v\u011bt\u0161inu amat\u00e9rsk\u00fdch a p\u0159\u00edle\u017eitostn\u00fdch fotograf\u016f. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Zaj\u00edmav\u00e9 je, \u017ee debata se komplikuje p\u0159i porovn\u00e1n\u00ed po\u010dtu megapixel\u016f fotoapar\u00e1tu s lidsk\u00fdm okem. Proto\u017ee lidsk\u00e9 oko nezaznamen\u00e1v\u00e1 obraz stejn\u00fdm zp\u016fsobem jako fotoapar\u00e1t, nem\u00e1 stanoven\u00fd po\u010det megapixel\u016f. M\u00edsto toho m\u016f\u017eeme vn\u00edmat \u0161irokou \u0161k\u00e1lu barev, detail\u016f a hloubky d\u00edky dynamick\u00e9mu rozsahu a zorn\u00e9mu poli na\u0161ich o\u010d\u00ed. A\u010dkoli je obt\u00ed\u017en\u00e9 ur\u010dit p\u0159esn\u00fd po\u010det megapixel\u016f v lidsk\u00e9m oku, odhady ukazuj\u00ed, \u017ee na\u0161e vid\u011bn\u00ed je podobn\u00e9 vid\u011bn\u00ed fotoapar\u00e1tu s rozli\u0161en\u00edm mezi 576 a 800 megapixely. Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee se jedn\u00e1 pouze o p\u0159ibli\u017en\u00fd odhad, proto\u017ee na\u0161e vizu\u00e1ln\u00ed zku\u0161enosti p\u0159esahuj\u00ed pouh\u00fd po\u010det pixel\u016f. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Na z\u00e1v\u011br prozkoumejme schopnosti 108megapixelov\u00e9ho fotoapar\u00e1tu. Fotoapar\u00e1t s rozli\u0161en\u00edm 108 Mpx m\u00e1 velmi vysok\u00e9 rozli\u0161en\u00ed, kter\u00e9 mu umo\u017e\u0148uje zachytit spoustu drobn\u00fdch detail\u016f a vytv\u00e1\u0159et dechberouc\u00ed sn\u00edmky. Toto rozli\u0161en\u00ed se m\u016f\u017ee hodit zejm\u00e9na profesion\u00e1ln\u00edm fotograf\u016fm nebo nad\u0161enc\u016fm, kte\u0159\u00ed pot\u0159ebuj\u00ed vysokou m\u00edru flexibility p\u0159i o\u0159ez\u00e1v\u00e1n\u00ed nebo publikov\u00e1n\u00ed velkoform\u00e1tov\u00fdch fotografi\u00ed. Je nicm\u00e9n\u011b d\u016fle\u017eit\u00e9 poznamenat, \u017ee vy\u0161\u0161\u00ed po\u010det megapixel\u016f m\u016f\u017ee m\u00edt za n\u00e1sledek tak\u00e9 v\u011bt\u0161\u00ed velikost soubor\u016f a vy\u0161\u0161\u00ed n\u00e1roky na rychlost zpracov\u00e1n\u00ed a kapacitu \u00falo\u017ei\u0161t\u011b. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee megapixely v\u00fdznamn\u011b ovliv\u0148uj\u00ed rozli\u0161en\u00ed a kvalitu digit\u00e1ln\u00edch sn\u00edmk\u016f, kter\u00e9 jsou fotoapar\u00e1ty schopny po\u0159\u00eddit. Pro v\u011bt\u0161inu fotografick\u00fdch \u00fa\u010del\u016f m\u016f\u017ee 20megapixelov\u00fd fotoapar\u00e1t produkovat vynikaj\u00edc\u00ed sn\u00edmky, nicm\u00e9n\u011b vizu\u00e1ln\u00ed vn\u00edm\u00e1n\u00ed lidsk\u00e9ho oka jde mnohem d\u00e1l ne\u017e pouh\u00fd po\u010det megapixel\u016f. Fotoapar\u00e1t s rozli\u0161en\u00edm 108 megapixel\u016f poskytuje pozoruhodn\u00fd stupe\u0148 rozli\u0161en\u00ed a tak\u00e9 flexibilitu, i kdy\u017e zde mohou b\u00fdt ur\u010dit\u00e9 kompromisy. Pokud fotografov\u00e9 pochop\u00ed pojem megapixel\u016f, mohou zlep\u0161it sv\u00e9 fotografick\u00e9 z\u00e1\u017eitky t\u00edm, \u017ee se budou rozhodovat na z\u00e1klad\u011b vlastn\u00edch pot\u0159eb a vkusu.<\/p><\/div>\n<div class=\"questions\">\n<div class=\"questionstitle\">FAQ<\/div>\n<div class=\"question\">\n<div class=\"qtitle\"> Je 576 megapixel\u016f hodn\u011b?<\/div>\n<p> Ano, digit\u00e1ln\u00ed fotoapar\u00e1t s 576 megapixely je pova\u017eov\u00e1n za fotoapar\u00e1t s velk\u00fdm po\u010dtem megapixel\u016f. Rozli\u0161en\u00ed neboli \u00farove\u0148 detail\u016f, kter\u00e9 dok\u00e1\u017ee fotoapar\u00e1t zaznamenat, se m\u011b\u0159\u00ed v megapixelech. Fotoapar\u00e1t m\u016f\u017ee obvykle zachytit v\u00edce detail\u016f na sn\u00edmku, pokud m\u00e1 v\u011bt\u0161\u00ed po\u010det megapixel\u016f. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Digit\u00e1ln\u00ed fotoapar\u00e1ty pro \u0161irokou ve\u0159ejnost maj\u00ed obvykle 12 a\u017e 24 megapixel\u016f, zat\u00edmco fotoapar\u00e1ty profesion\u00e1ln\u00ed t\u0159\u00eddy mohou m\u00edt 45 a\u017e 60 megapixel\u016f. Proto je 576 megapixel\u016f obrovsk\u00fd n\u00e1r\u016fst oproti pr\u016fm\u011brn\u00e9mu po\u010dtu megapixel\u016f, kter\u00fd se vyskytuje u fotoapar\u00e1t\u016f spot\u0159ebitelsk\u00e9 \u00farovn\u011b. Takto vysok\u00fd po\u010det megapixel\u016f maj\u00ed sp\u00ed\u0161e specializovan\u00e9 fotoapar\u00e1ty, nap\u0159\u00edklad ty, kter\u00e9 se pou\u017e\u00edvaj\u00ed pro v\u011bdeck\u00e9 nebo pr\u016fmyslov\u00e9 aplikace, kde je nutn\u00e1 extr\u00e9mn\u011b vysok\u00e1 \u00farove\u0148 detail\u016f. <\/p>\n<\/div>\n<div class=\"question\">\n<div class=\"qtitle\"> Je 12 MP lep\u0161\u00ed ne\u017e 1080p?<\/div>\n<p> Ne, 12 MP nen\u00ed v\u017edy lep\u0161\u00ed ne\u017e 1080p. Rozli\u0161en\u00ed a megapixely (MP) jsou dv\u011b odli\u0161n\u00e1 m\u011b\u0159\u00edtka kvality obrazu. Megapixely se vztahuj\u00ed k po\u010dtu pixel\u016f obrazu, zat\u00edmco 1080p ozna\u010duje rozli\u0161en\u00ed videa nebo displeje. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Zat\u00edmco 1080p se vztahuje k rozli\u0161en\u00ed videa a m\u011b\u0159\u00ed se v pixelech na palec (ppi), 12 MP se obvykle vztahuje k po\u010dtu pixel\u016f ve statick\u00e9m sn\u00edmku. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Z hlediska t\u011bchto dvou parametr\u016f je rozli\u0161en\u00ed 1080p srovnateln\u00e9 s p\u0159ibli\u017en\u011b 2,1 megapixely. Proto 12MP obvykle nab\u00eddne v\u011bt\u0161\u00ed rozli\u0161en\u00ed a v\u00edce informac\u00ed ne\u017e 1080p u statick\u00fdch fotografi\u00ed. Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee rozli\u0161en\u00ed je pouze jedn\u00edm z aspekt\u016f kvality obrazu. Velk\u00fd vliv maj\u00ed i dal\u0161\u00ed prvky, jako je velikost sn\u00edma\u010de, kvalita objektivu a v\u00fdkon zpracov\u00e1n\u00ed obrazu. <\/p>\n<\/div>\n<div class=\"question\">\n<div class=\"qtitle\"> Je 8MP 4K?<\/div>\n<p> Ne, 8 MP u digit\u00e1ln\u00edch fotoapar\u00e1t\u016f nen\u00ed ekvivalentem rozli\u0161en\u00ed 4K. Term\u00edn &#8222;rozli\u0161en\u00ed 4K&#8220; \u010dasto ozna\u010duje rozli\u0161en\u00ed 3840 x 2160 pixel\u016f, tedy zhruba 8,3 milionu pixel\u016f. Na rozd\u00edl od rozli\u0161en\u00ed 4K, kter\u00e9 m\u00e1 rozli\u0161en\u00ed 4 miliony pixel\u016f, m\u00e1 8MP rozli\u0161en\u00ed 8 milion\u016f pixel\u016f.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>N\u00e1\u0161 \u017eivot by nebyl stejn\u00fd bez nepostradateln\u00e9 role, kterou hraj\u00ed digit\u00e1ln\u00ed fotoapar\u00e1ty p\u0159i shroma\u017e\u010fov\u00e1n\u00ed a uchov\u00e1v\u00e1n\u00ed na\u0161ich vz\u00e1cn\u00fdch vzpom\u00ednek. Mno\u017estv\u00ed megapixel\u016f (MP), kter\u00e9 fotoapar\u00e1t m\u00e1, je jednou z kl\u00ed\u010dov\u00fdch vlastnost\u00ed, kter\u00e9 \u010dasto rozhoduj\u00ed debaty a n\u00e1kupn\u00ed rozhodnut\u00ed. Co p\u0159esn\u011b v\u0161ak megapixely jsou a jak ovliv\u0148uj\u00ed kvalitu na\u0161ich sn\u00edmk\u016f? V tomto p\u0159\u00edsp\u011bvku se budeme zab\u00fdvat slo\u017eitost\u00ed &#8230; <a title=\"Jak funguj\u00ed megapixely. Zkoum\u00e1n\u00ed rozli\u0161en\u00ed digit\u00e1ln\u00edch fotoapar\u00e1t\u016f\" class=\"read-more\" href=\"https:\/\/tech-lib.eu\/tech\/jak-funguji-megapixely-zkoumani-rozliseni-digitalnich-fotoaparatu\/\" aria-label=\"\u010c\u00edst v\u00edce o Jak funguj\u00ed megapixely. Zkoum\u00e1n\u00ed rozli\u0161en\u00ed digit\u00e1ln\u00edch fotoapar\u00e1t\u016f\">\u010c\u00edst d\u00e1l<\/a><\/p>\n","protected":false},"author":3415,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2242],"tags":[],"class_list":["post-8556","post","type-post","status-publish","format-standard","hentry","category-digitalni-fotografie"],"_links":{"self":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/8556","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/users\/3415"}],"replies":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/comments?post=8556"}],"version-history":[{"count":0,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/8556\/revisions"}],"wp:attachment":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/media?parent=8556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/categories?post=8556"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/tags?post=8556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}