{"id":328967,"date":"2026-09-18T07:07:57","date_gmt":"2026-09-18T07:07:57","guid":{"rendered":"https:\/\/blog.skylum.com\/co-je-soubor-cr3-a-proc-je-dulezity-pro-fotografy\/"},"modified":"2026-09-18T07:11:09","modified_gmt":"2026-09-18T07:11:09","slug":"what-is-a-cr3-file-and-why-it-matters-for-photographers","status":"publish","type":"post","link":"https:\/\/blog.skylum.com\/cs\/what-is-a-cr3-file-and-why-it-matters-for-photographers\/","title":{"rendered":"Co je soubor CR3 a pro\u010d je d\u016fle\u017eit\u00fd pro fotografy"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ka\u017ed\u00fd, kdo n\u011bkdy vlo\u017eil pam\u011b\u0165ovou kartu do po\u010d\u00edta\u010de a narazil na slo\u017eku s nezn\u00e1m\u00fdmi p\u0159\u00edponami soubor\u016f, se pravd\u011bpodobn\u011b setkal se souborem CR3. Majitel\u00e9 fotoapar\u00e1t\u016f Canon se s t\u00edmto form\u00e1tem setk\u00e1vaj\u00ed neust\u00e1le, ale mnoho fotograf\u016f se nikdy nedozv\u00ed, v \u010dem p\u0159esn\u011b se li\u0161\u00ed od soubor\u016f CR2, kter\u00e9 po l\u00e9ta vytv\u00e1\u0159ely star\u0161\u00ed modely Canon.<\/p>\n\n<p class=\"wp-block-paragraph\">V tomto \u010dl\u00e1nku vysv\u011btl\u00edme, co je soubor CR3, jak jej otev\u0159\u00edt a p\u0159ev\u00e9st a pro\u010d byla zm\u011bna form\u00e1tu tak z\u00e1sadn\u00ed, \u017ee se spole\u010dnost Canon rozhodla vytvo\u0159it jej zcela od z\u00e1kladu, m\u00edsto aby pouze aktualizovala ten star\u00fd.<\/p>\n\n<p class=\"wp-block-paragraph\"><em>Nechce se v\u00e1m \u010d\u00edst cel\u00fd \u010dl\u00e1nek? N\u00ed\u017ee jsme pro v\u00e1s p\u0159ipravili stru\u010dn\u00e9 shrnut\u00ed.<\/em><\/p>\n\n<p class=\"important-text wp-block-paragraph\">Kl\u00ed\u010dov\u00e9 poznatky<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Modern\u00ed architektura:<\/strong> Form\u00e1t CR3 vyu\u017e\u00edv\u00e1 form\u00e1t ISO Base Media File Format, kter\u00fd ve srovn\u00e1n\u00ed se star\u0161\u00ed strukturou CR2 zalo\u017eenou na form\u00e1tu TIFF umo\u017e\u0148uje rychlej\u0161\u00ed zpracov\u00e1n\u00ed, vlo\u017een\u00e9 n\u00e1hledy ve form\u00e1tu JPEG a lep\u0161\u00ed pr\u00e1ci s metadaty.<\/li>\n\n\n\n<li><strong>\u00daspora m\u00edsta:<\/strong> Funkce C-RAW od spole\u010dnosti Canon umo\u017e\u0148uje p\u0159ibli\u017en\u011b 40% zmen\u0161en\u00ed velikosti souboru pomoc\u00ed komprese se ztr\u00e1tou, p\u0159i\u010dem\u017e zachov\u00e1v\u00e1 t\u00e9m\u011b\u0159 v\u0161echny mo\u017enosti n\u00e1sledn\u00e9ho zpracov\u00e1n\u00ed.<\/li>\n\n\n\n<li><strong>Po\u017eadavky na software:<\/strong> P\u0159\u00edm\u00e1 editace vy\u017eaduje aktualizace softwaru z roku 2018 nebo nov\u011bj\u0161\u00ed, co\u017e znamen\u00e1, \u017ee pro \u010dten\u00ed tohoto form\u00e1tu na star\u0161\u00edch opera\u010dn\u00edch syst\u00e9mech jsou nezbytn\u00e9 modern\u00ed n\u00e1stroje pro d\u00e1vkov\u00e9 zpracov\u00e1n\u00ed, jako jsou Luminar Neo nebo Adobe DNG Converter.<\/li>\n\n\n\n<li><strong>Profesion\u00e1ln\u00ed vyu\u017eit\u00ed:<\/strong> Tento form\u00e1t zaznamen\u00e1v\u00e1 nezpracovan\u00e1 data ze sn\u00edma\u010de a poskytuje maxim\u00e1ln\u00ed dynamick\u00fd rozsah pot\u0159ebn\u00fd k obnoven\u00ed st\u00edn\u016f, zjemn\u011bn\u00ed sv\u011btl\u00fdch oblast\u00ed a p\u0159esn\u00e9mu nastaven\u00ed vyv\u00e1\u017een\u00ed b\u00edl\u00e9 b\u011bhem postprodukce.<\/li>\n\n\n\n<li><strong>Konzistence pracovn\u00edho postupu:<\/strong> P\u0159evod hotov\u00fdch sn\u00edmk\u016f do form\u00e1tu JPEG za \u00fa\u010delem sd\u00edlen\u00ed a sou\u010dasn\u00e1 z\u00e1loha p\u016fvodn\u00edch soubor\u016f RAW alespo\u0148 na dvou m\u00edstech chr\u00e1n\u00ed p\u016fvodn\u00ed data a v dlouhodob\u00e9m horizontu \u0161et\u0159\u00ed m\u00edsto na disku.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Z\u00e1klady soubor\u016f CR3   <\/h2>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/understanding-cr3-files.jpg\" alt=\"&#x10C;ern&#xFD; digit&#xE1;ln&#xED; fotoapar&#xE1;t na tmav&#xE9;m pozad&#xED; | Blog Skylum&#10;&#10;\" class=\"wp-image-328936\" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/understanding-cr3-files.jpg 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/understanding-cr3-files-768x512.jpg 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/understanding-cr3-files-508x339.jpg 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/understanding-cr3-files-700x467.jpg 700w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">Co jsou tedy soubory CR3? Soubor CR3 je aktu\u00e1ln\u00ed form\u00e1t RAW spole\u010dnosti Canon, kter\u00fd ukl\u00e1d\u00e1 nezpracovan\u00e1 data p\u0159\u00edmo ze sn\u00edma\u010de fotoapar\u00e1tu, na rozd\u00edl od komprimovan\u00fdch, p\u0159edem zpracovan\u00fdch dat ve form\u00e1tu JPEG. Spole\u010dnost Canon p\u0159edstavila typ souboru CR3 v roce 2018 spole\u010dn\u011b s fotoapar\u00e1tem EOS M50 a jeho procesorem DIGIC 8; od t\u00e9 doby se stal standardn\u00edm form\u00e1tem v\u00fdstupu RAW pro bezzrcadlovkov\u00fd syst\u00e9m Canon EOS R a \u0159adu nov\u011bj\u0161\u00edch model\u016f digit\u00e1ln\u00edch zrcadlovek.<\/p>\n\n<p class=\"wp-block-paragraph\">Zat\u00edmco star\u0161\u00ed form\u00e1t CR2 vych\u00e1zel ze struktury TIFF, form\u00e1t CR3 je zalo\u017een na form\u00e1tu ISO Base Media File Format \u2013 tedy na stejn\u00e9 rodin\u011b kontejner\u016f, jak\u00e1 se pou\u017e\u00edv\u00e1 u video soubor\u016f MP4. To poskytlo spole\u010dnosti Canon v\u011bt\u0161\u00ed flexibilitu v oblasti metadat a budouc\u00edch funkc\u00ed.<\/p>\n\n<p class=\"wp-block-paragraph\">Pr\u00e1v\u011b d\u00edky tomuto flexibiln\u011bj\u0161\u00edmu form\u00e1tu bylo v\u016fbec mo\u017en\u00e9 zav\u00e9st mo\u017enost komprese C-RAW. Star\u0161\u00ed struktura souboru CR2 neposkytovala prostor pro druh\u00fd, ztr\u00e1tov\u00fd kompresn\u00ed algoritmus vedle standardn\u00edho bezeztr\u00e1tov\u00e9ho.  <\/p>\n\n<p class=\"wp-block-paragraph\">Soubor CR3 nav\u00edc obsahuje vestav\u011bn\u00fd n\u00e1hled ve form\u00e1tu JPEG. D\u00edky tomu je mo\u017en\u00e9 na displeji fotoapar\u00e1tu nebo ve spr\u00e1vci soubor\u016f po\u010d\u00edta\u010de rychle zobrazit n\u00e1hled, ani\u017e by bylo nutn\u00e9 zpracov\u00e1vat cel\u00fd soubor dat RAW, tak\u017ee ve slo\u017ece obsahuj\u00edc\u00ed neotev\u0159en\u00e9 soubory CR3 se zobrazuj\u00ed rozpoznateln\u00e9 miniatury.<\/p>\n\n<h2 class=\"wp-block-heading\">Jak otev\u0159\u00edt soubory CR3  <\/h2>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/how-to-open-cr3-files.jpg\" alt=\"&#x10C;lov&#x11B;k p&#xED;&#x161;&#xED;c&#xED; na kl&#xE1;vesnici notebooku | Blog Skylum&#10;&#10;\" class=\"wp-image-328891\" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/how-to-open-cr3-files.jpg 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/how-to-open-cr3-files-768x512.jpg 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/how-to-open-cr3-files-508x339.jpg 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/how-to-open-cr3-files-700x467.jpg 700w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">Pot\u0159ebujete software, kter\u00fd byl vyvinut nebo aktualizov\u00e1n tak, aby podporoval tento nov\u011bj\u0161\u00ed form\u00e1t, proto\u017ee programy ur\u010den\u00e9 pouze pro form\u00e1t CR2 jej \u010dasto nedok\u00e1\u017eou v\u016fbec na\u010d\u00edst. Vlastn\u00ed software spole\u010dnosti Canon, Digital Photo Professional (DPP), nativn\u011b podporuje form\u00e1t CR3 a je zdarma dod\u00e1v\u00e1n s ka\u017ed\u00fdm fotoapar\u00e1tem EOS, kter\u00fd v tomto form\u00e1tu fotografuje. Soubory CR3 zpracov\u00e1vaj\u00ed tak\u00e9 programy Adobe Lightroom Classic 8.0 a nov\u011bj\u0161\u00ed verze, stejn\u011b jako aktu\u00e1ln\u00ed verze program\u016f Lightroom a Adobe Camera Raw. <\/p>\n\n<p class=\"wp-block-paragraph\">Fotografov\u00e9, kte\u0159\u00ed pou\u017e\u00edvaj\u00ed star\u0161\u00ed software vydan\u00fd p\u0159ed rokem 2018, obvykle pot\u0159ebuj\u00ed aktualizaci, aby se soubor CR3 v\u016fbec otev\u0159el, proto\u017ee tento form\u00e1t v dob\u011b v\u00fdvoje t\u011bchto verz\u00ed je\u0161t\u011b neexistoval. <\/p>\n\n<p class=\"wp-block-paragraph\">Jakmile se soubor CR3 \u00fasp\u011b\u0161n\u011b otev\u0159e, jeho \u00faprava funguje stejn\u011b jako u jak\u00e9hokoli jin\u00e9ho souboru RAW. A fotografov\u00e9, kte\u0159\u00ed hledaj\u00ed rychlej\u0161\u00ed zp\u016fsob zpracov\u00e1n\u00ed cel\u00e9 slo\u017eky fotografi\u00ed, \u010dasto vol\u00ed program Luminar, kter\u00fd je navr\u017een pro hromadn\u00e9 \u00fapravy, nam\u00edsto pr\u00e1ce s ka\u017ed\u00fdm souborem jednotliv\u011b.<\/p>\n\n<h3 class=\"wp-block-heading\">Zp\u016fsoby p\u0159evodu soubor\u016f CR3  <\/h3>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"893\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/methods-to-convert-cr3-files.jpg\" alt=\"Dva d&#xED;lky skl&#xE1;da&#x10D;ky s ikonami dokument&#x16F; | Blog Skylum&#10;&#10;\" class=\"wp-image-328906\" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/methods-to-convert-cr3-files.jpg 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/methods-to-convert-cr3-files-768x572.jpg 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/methods-to-convert-cr3-files-508x378.jpg 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/methods-to-convert-cr3-files-700x521.jpg 700w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">P\u0159eveden\u00edm souboru CR3 do b\u011b\u017en\u011bj\u0161\u00edho form\u00e1tu se vy\u0159e\u0161\u00ed probl\u00e9my s kompatibilitou p\u0159i sd\u00edlen\u00ed, tisku nebo pr\u00e1ci v programech, kter\u00e9 p\u0159\u00edmo nepodporuj\u00ed form\u00e1t RAW spole\u010dnosti Canon. N\u00e1stroj Adobe DNG Converter p\u0159ev\u00e1d\u00ed soubory CR3 do otev\u0159en\u00e9ho form\u00e1tu DNG zcela zdarma, p\u0159i\u010dem\u017e zachov\u00e1v\u00e1 v\u0161echna p\u016fvodn\u00ed data RAW a umo\u017e\u0148uje p\u0159\u00edstup k souboru v mnohem \u0161ir\u0161\u00ed \u0161k\u00e1le program\u016f.  <\/p>\n\n<p class=\"wp-block-paragraph\">Lightroom, modul Camera Raw v programu Photoshop a vlastn\u00ed software DPP od spole\u010dnosti Canon umo\u017e\u0148uj\u00ed po proveden\u00ed z\u00e1kladn\u00edch \u00faprav exportovat soubory CR3 p\u0159\u00edmo do form\u00e1t\u016f JPEG, TIFF nebo PNG. To je ide\u00e1ln\u00ed \u0159e\u0161en\u00ed pro odes\u00edl\u00e1n\u00ed hotov\u00fdch sn\u00edmk\u016f, proto\u017ee p\u0159\u00edjemce tak nemus\u00ed s\u00e1m otev\u00edrat soubor RAW.<\/p>\n\n<p class=\"wp-block-paragraph\">Pokud naraz\u00edte na zm\u00ednky nebo odkazy na Luminar AI, m\u011bjte na pam\u011bti, \u017ee spole\u010dnost Skylum ukon\u010dila jeho prodej ji\u017e v \u0159\u00edjnu 2022 a zcela jej nahradila programem Luminar Neo. Tento program si s tak velk\u00fdmi objemy porad\u00ed s lehkost\u00ed a v jedin\u00e9m kroku aplikuje stejn\u00e1 nastaven\u00ed korekce a exportu na celou slo\u017eku.<\/p>\n\n<div class=\"skylum-article-cta\"  style=\"background-image: url(https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/02\/cta-new-banner-2-2.webp); background-size: cover; background-position: center; background-repeat: no-repeat;\">\n    <div class=\"skylum-article-cta__container\">\n                    <p class=\"skylum-article-cta__title\">Editor fotografi\u00ed s um\u011blou inteligenc\u00ed pro MacOS a Windows\r\n\r\n<\/p>\n                        <div class=\"skylum-article-cta__btns-wrap\">\n                            <a class=\"skylum-article-cta__btn\" href=\"https:\/\/skylum.com\/luminar-ai\" target=\"\">\n                    Objevte nyn\u00ed!                <\/a>\n                                <\/div>\n    <\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">Porovn\u00e1n\u00ed form\u00e1t\u016f RAW a JPEG  <\/h2>\n\n<p class=\"wp-block-paragraph\">Form\u00e1ty RAW a JPEG slou\u017e\u00ed k r\u016fzn\u00fdm \u00fa\u010del\u016fm. Form\u00e1t JPEG je zpracov\u00e1n a komprimov\u00e1n p\u0159\u00edmo ve fotoapar\u00e1tu p\u0159i po\u0159\u00edzen\u00ed sn\u00edmku, p\u0159i\u010dem\u017e doch\u00e1z\u00ed ke ztr\u00e1t\u011b \u010d\u00e1sti dat ze sn\u00edma\u010de. Soubor ve form\u00e1tu CR3 zachov\u00e1v\u00e1 cel\u00fd objem dat zachycen\u00fdch sn\u00edma\u010dem, co\u017e p\u0159i \u00faprav\u00e1ch nab\u00edz\u00ed v\u00edce mo\u017enost\u00ed pro obnoven\u00ed p\u0159eexponovan\u00fdch oblast\u00ed nebo extrakci detail\u016f ze st\u00edn\u016f. <\/p>\n\n<p class=\"wp-block-paragraph\">Soubory CR3 maj\u00ed obvykle velikost od 20 do 40 MB, zat\u00edmco soubory JPEG po\u0159\u00edzen\u00e9 stejn\u00fdm fotoapar\u00e1tem maj\u00ed velikost jen n\u011bkolik megabajt\u016f. Funkce C-RAW spole\u010dnosti Canon v r\u00e1mci form\u00e1tu CR3 v\u0161ak umo\u017e\u0148uje tuto velikost sn\u00ed\u017eit p\u0159ibli\u017en\u011b o 40 % pomoc\u00ed komprese se ztr\u00e1tou, p\u0159i\u010dem\u017e si zachov\u00e1v\u00e1 t\u00e9m\u011b\u0159 ve\u0161kerou flexibilitu p\u0159i \u00faprav\u00e1ch, kterou fotograf v praxi skute\u010dn\u011b pot\u0159ebuje.<\/p>\n\n<h3 class=\"wp-block-heading\">B\u011b\u017en\u00e9 vyu\u017eit\u00ed soubor\u016f CR3  <\/h3>\n\n<p class=\"wp-block-paragraph\">Fotografov\u00e9, kte\u0159\u00ed se specializuj\u00ed na komer\u010dn\u00ed nebo svatebn\u00ed fotografii \u2013 \u010di na jakoukoli pr\u00e1ci vy\u017eaduj\u00edc\u00ed rozs\u00e1hl\u00e9 n\u00e1sledn\u00e9 zpracov\u00e1n\u00ed \u2013 d\u00e1vaj\u00ed p\u0159ednost soubor\u016fm CR3. Cestovn\u00ed fotografov\u00e9 pracuj\u00ed se sc\u00e9nami s vysok\u00fdm kontrastem, jako je nap\u0159\u00edklad jasn\u00e1 obloha na pozad\u00ed tmav\u00e9ho pop\u0159ed\u00ed. To jim p\u0159i \u00faprav\u00e1ch pom\u00e1h\u00e1 obnovit detaily jak ve sv\u011btlech, tak ve st\u00ednech, m\u00edsto aby se museli spokojit s t\u00edm, co se automatick\u00e9 nastaven\u00ed fotoapar\u00e1tu rozhodlo zachovat.<\/p>\n\n<p class=\"wp-block-paragraph\">Fotografov\u00e9 zab\u00fdvaj\u00edc\u00ed se produktovou a studiovou fotografi\u00ed, kte\u0159\u00ed fotografuj\u00ed za kontrolovan\u00fdch sv\u011bteln\u00fdch podm\u00ednek, tak\u00e9 \u010dasto up\u0159ednost\u0148uj\u00ed form\u00e1t CR3 p\u0159ed form\u00e1tem JPEG, aby mohli po skon\u010den\u00ed focen\u00ed doladit vyv\u00e1\u017een\u00ed b\u00edl\u00e9 a expozici, m\u00edsto aby se sna\u017eili nastavit v\u0161echny parametry dokonale p\u0159\u00edmo ve fotoapar\u00e1tu. Kdy\u017e jsou tyto soubory RAW p\u0159ipraveny k \u00faprav\u00e1m, specializovan\u00fd <a href=\"https:\/\/skylum.com\/luminar\/raw-photo-editor\">editor fotografi\u00ed ve form\u00e1tu RAW<\/a>, navr\u017een\u00fd pro pr\u00e1ci s rozs\u00e1hl\u00fdmi datov\u00fdmi soubory CR3, obvykle poskytuje \u010dist\u0161\u00ed v\u00fdsledek.<\/p>\n\n<h2 class=\"wp-block-heading\">Software kompatibiln\u00ed s form\u00e1tem CR3  <\/h2>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/software-compatible-with-cr3.jpg\" alt=\"Jeden d&#xED;l skl&#xE1;da&#x10D;ky spojuj&#xED;c&#xED; dva panely | Blog Skylum&#10;&#10;\" class=\"wp-image-328921\" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/software-compatible-with-cr3.jpg 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/software-compatible-with-cr3-768x512.jpg 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/software-compatible-with-cr3-508x339.jpg 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/09\/software-compatible-with-cr3-700x467.jpg 700w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">Fotografov\u00e9, kte\u0159\u00ed pou\u017e\u00edvaj\u00ed jak star\u0161\u00ed, tak nov\u011bj\u0161\u00ed fotoapar\u00e1ty zna\u010dky Canon, pot\u0159ebuj\u00ed software, kter\u00fd podporuje oba form\u00e1ty soubor\u016f.  <\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Aspekt <\/strong><\/td><td><strong>CR2 <\/strong><\/td><td><strong>CR3 <\/strong><\/td><\/tr><tr><td>Form\u00e1t kontejneru <\/td><td>Na z\u00e1klad\u011b form\u00e1tu TIFF <\/td><td>Form\u00e1t medi\u00e1ln\u00edho souboru ISO Base <\/td><\/tr><tr><td>Typick\u00e1 velikost souboru <\/td><td>V\u011bt\u0161\u00ed u ekvivalentn\u00edch dat <\/td><td>O 30\u201350 % men\u0161\u00ed, zejm\u00e9na s C-RAW <\/td><\/tr><tr><td>Mo\u017enost komprese <\/td><td>Pouze bezeztr\u00e1tov\u00e1 <\/td><td>Bezztr\u00e1tov\u00e1 nebo ztr\u00e1tov\u00e1 (C-RAW) <\/td><\/tr><tr><td>Zavedeno <\/td><td>po\u010d\u00e1tkem roku 2000 <\/td><td>2018, s modelem EOS M50 <\/td><\/tr><tr><td>Softwarov\u00e1 podpora <\/td><td>Univerz\u00e1ln\u00ed pro star\u0161\u00ed i aktu\u00e1ln\u00ed n\u00e1stroje <\/td><td>Vy\u017eaduje verzi softwaru z roku 2018 nebo nov\u011bj\u0161\u00ed <\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p class=\"wp-block-paragraph\">Rozhodov\u00e1n\u00ed mezi CR2 a CR3 z\u00e1vis\u00ed hlavn\u011b na tom, jak\u00e9 fotoapar\u00e1ty fotograf vlastn\u00ed. A\u017e budete pl\u00e1novat rozpo\u010det na takovou pom\u016fcku, pod\u00edvejte se na ceny programu Luminar. Ne\u017e si po\u0159\u00edd\u00edte nov\u00fd fotoapar\u00e1t, pom\u016f\u017ee v\u00e1m to vyhnout se nep\u0159\u00edjemn\u00fdm p\u0159ekvapen\u00edm, kdy zjist\u00edte, \u017ee v\u00e1\u0161 star\u00fd software pro zpracov\u00e1n\u00ed soubor\u016f RAW nepodporuje soubory z va\u0161eho nov\u00e9ho fotoapar\u00e1tu.<\/p>\n\n<p class=\"wp-block-paragraph\">Krom\u011b vlastn\u00edch n\u00e1stroj\u016f spole\u010dnost\u00ed Adobe a Canon p\u0159idaly podporu form\u00e1tu CR3 ji\u017e b\u011bhem jednoho \u010di dvou let od jeho uveden\u00ed na trh tak\u00e9 konvertory RAW od jin\u00fdch v\u00fdrobc\u016f, jako jsou Capture One, DxO PhotoLab a ON1 Photo RAW. Fotografov\u00e9, kte\u0159\u00ed up\u0159ednost\u0148uj\u00ed n\u011bkter\u00fd z t\u011bchto ekosyst\u00e9m\u016f p\u0159ed Adobe, tedy nebudou m\u00edt \u017e\u00e1dn\u00e9 pot\u00ed\u017ee s prac\u00ed s nov\u011bj\u0161\u00edmi fotoapar\u00e1ty zna\u010dky Canon.<\/p>\n\n<div class=\"skylum-article-cta\"  style=\"background-image: url(https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/02\/cta-new-banner-2-2.webp); background-size: cover; background-position: center; background-repeat: no-repeat;\">\n    <div class=\"skylum-article-cta__container\">\n                    <p class=\"skylum-article-cta__title\">Zlep\u0161ete sv\u00e9 fotografie pomoc\u00ed na\u0161eho pokro\u010dil\u00e9ho softwaru\r\n\r\n<\/p>\n                        <div class=\"skylum-article-cta__btns-wrap\">\n                            <a class=\"skylum-article-cta__btn\" href=\"https:\/\/skylum.com\/cs\/luminar\/pricing\" target=\"\">\n                    Objevte ceny                <\/a>\n                                <\/div>\n    <\/div>\n<\/div>\n<h3 class=\"wp-block-heading\">Tipy pro spr\u00e1vu soubor\u016f CR3  <\/h3>\n\n<p class=\"wp-block-paragraph\">N\u011bkolik u\u017eite\u010dn\u00fdch n\u00e1vyk\u016f v\u00e1m pom\u016f\u017ee udr\u017eet va\u0161i rostouc\u00ed knihovnu soubor\u016f CR3 p\u0159ehlednou a usnadn\u00ed v\u00e1m s n\u00ed pr\u00e1ci i v dlouhodob\u00e9m horizontu.<\/p>\n\n<ol class=\"wp-block-list\">\n<li><strong>Po zakoupen\u00ed nov\u00e9ho fotoapar\u00e1tu si aktualizujte software pro zpracov\u00e1n\u00ed soubor\u016f RAW<\/strong>, proto\u017ee nejnov\u011bj\u0161\u00ed modely n\u011bkdy vy\u017eaduj\u00ed aktualizaci softwaru, aby se soubory CR3 spr\u00e1vn\u011b otev\u00edraly.<\/li>\n\n\n\n<li><strong>Hotov\u00e9 sn\u00edmky p\u0159ev\u00e1d\u011bjte do form\u00e1tu JPEG nebo TIFF pro sd\u00edlen\u00ed<\/strong> a p\u016fvodn\u00ed soubory CR3 uchov\u00e1vejte v samostatn\u00e9m archivu, m\u00edsto abyste zbyte\u010dn\u011b sd\u00edleli velk\u00e9 soubory RAW.<\/li>\n\n\n\n<li><strong>Z\u00e1lohujte<\/strong> <strong>soubory CR3<\/strong> <strong>alespo\u0148 na dvou m\u00edstech<\/strong>, proto\u017ee po\u0161kozen\u00fd nebo ztracen\u00fd soubor RAW nelze obnovit stejn\u00fdm zp\u016fsobem jako znovu exportovan\u00fd soubor JPEG.<\/li>\n\n\n\n<li>Pro ka\u017edodenn\u00ed fotografov\u00e1n\u00ed, kde nen\u00ed maxim\u00e1ln\u00ed flexibilita \u00faprav nejvy\u0161\u0161\u00ed prioritou<strong>, pou\u017e\u00edvejte form\u00e1t C-RAW nam\u00edsto bezztr\u00e1tov\u00e9ho form\u00e1tu CR3 v pln\u00e9m rozli\u0161en\u00ed<\/strong>. T\u00edm uvoln\u00edte v\u00edce m\u00edsta na pam\u011b\u0165ov\u00e9 kart\u011b a pevn\u00e9m disku bez znateln\u00e9 ztr\u00e1ty kvality.<\/li>\n\n\n\n<li>Po importu<strong>hromadn\u011b p\u0159ejmenujte a uspo\u0159\u00e1dejte<\/strong> <strong>soubory CR3<\/strong> podle data po\u0159\u00edzen\u00ed nebo klienta, abyste se vyhnuli nutnosti proch\u00e1zet slo\u017eku plnou nepojmenovan\u00fdch soubor\u016f RAW o n\u011bkolik m\u011bs\u00edc\u016f pozd\u011bji.<\/li>\n\n\n\n<li><strong>P\u0159ed dlouh\u00fdm focen\u00edm zkontrolujte voln\u00e9 m\u00edsto na pam\u011b\u0165ov\u00e9 kart\u011b<\/strong>, proto\u017ee v\u011bt\u0161\u00ed soubory CR3 zapl\u0148uj\u00ed pam\u011b\u0165ovou kartu rychleji ne\u017e soubory JPEG, zejm\u00e9na p\u0159i s\u00e9riov\u00e9m sn\u00edm\u00e1n\u00ed.<\/li>\n\n\n\n<li><strong>U v\u0161ech projekt\u016f dodr\u017eujte jednotnou strukturu slo\u017eek<\/strong>, proto\u017ee d\u00edky p\u0159ehledn\u00e9mu syst\u00e9mu je mnohem snaz\u0161\u00ed naj\u00edt konkr\u00e9tn\u00ed soubor CR3 i m\u011bs\u00edce \u010di roky po focen\u00ed.<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Pokud se budete t\u011bchto n\u00e1vyk\u016f dr\u017eet u\u017e od prvn\u00edho focen\u00ed, u\u0161et\u0159\u00ed v\u00e1m to mnohem v\u00edce \u010dasu, ne\u017e kdybyste se pozd\u011bji pokou\u0161eli uspo\u0159\u00e1dat rozs\u00e1hlou a chaotickou knihovnu soubor\u016f RAW.<\/p>\n\n<h4 class=\"wp-block-heading\">Shrnut\u00ed a kl\u00ed\u010dov\u00e9 poznatky<\/h4>\n\n<p class=\"wp-block-paragraph\">Form\u00e1t CR3 nahradil v roce 2018 form\u00e1t CR2 jako standardn\u00ed form\u00e1t RAW spole\u010dnosti Canon. Je zalo\u017een na modern\u011bj\u0161\u00ed struktu\u0159e kontejneru, kter\u00e1 podporuje men\u0161\u00ed velikost soubor\u016f, lep\u0161\u00ed pr\u00e1ci s metadaty a mo\u017enost komprese C-RAW, kter\u00e1 zmen\u0161uje velikost souboru p\u0159ibli\u017en\u011b o 40 % bez ztr\u00e1ty kvality pro \u00fapravy.<\/p>\n\n<p class=\"wp-block-paragraph\">K otev\u0159en\u00ed nebo p\u0159evodu souboru CR3 pot\u0159ebujete pouze software aktualizovan\u00fd tak, aby tento form\u00e1t rozpoznal, a\u0165 u\u017e se jedn\u00e1 o vlastn\u00ed software DPP od spole\u010dnosti Canon, nebo o specializovan\u00fd editor fotografi\u00ed pro pr\u00e1ci se soubory RAW. Soubory CR3 zab\u00edraj\u00ed v\u00edce m\u00edsta a p\u0159ed zve\u0159ejn\u011bn\u00edm vy\u017eaduj\u00ed konverzi nebo \u00fapravy, ale fotograf\u016fm nab\u00edzej\u00ed v\u00edce mo\u017enost\u00ed pro obnoven\u00ed detail\u016f a korekci expozice, ne\u017e jak\u00e9 kdy m\u016f\u017ee poskytnout komprimovan\u00fd form\u00e1t JPEG.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zjist\u011bte, co je to soubor CR3 a pro\u010d modern\u00ed form\u00e1t RAW spole\u010dnosti Canon uchov\u00e1v\u00e1 nezpracovan\u00e1 data ze sn\u00edma\u010de, aby poskytoval maxim\u00e1ln\u00ed flexibilitu p\u0159i pokro\u010dil\u00e9 \u00faprav\u011b fotografi\u00ed.<\/p>\n","protected":false},"author":98,"featured_media":328954,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-328967","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-cs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Co jsou soubory CR3? 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