{"id":781,"date":"2019-05-30T09:51:44","date_gmt":"2019-05-30T08:51:44","guid":{"rendered":"https:\/\/blog.exasoft.cz\/?p=781"},"modified":"2019-06-03T11:46:29","modified_gmt":"2019-06-03T10:46:29","slug":"orientujete-se-ve-fotoaparatech-mobilu","status":"publish","type":"post","link":"https:\/\/blog.exasoft.cz\/index.php\/orientujete-se-ve-fotoaparatech-mobilu\/","title":{"rendered":"Orientujete se ve fotoapar\u00e1tech mobil\u016f?"},"content":{"rendered":"\n

Je to u\u017e n\u011bjak\u00fd ten p\u00e1tek, co se na trhu objevily prvn\u00ed telefony<\/a>, kter\u00e9 um\u011bly po\u0159\u00eddit fotku. Z po\u010d\u00e1tku byl jedin\u00fdm parametrem, kter\u00fd kdo \u0159e\u0161il, v\u00fdsledn\u00e9 rozli\u0161en\u00ed ud\u00e1van\u00e9 v bodech. Doba v\u0161ak pokro\u010dila a kvality fotoapar\u00e1tu jsou pro mnoh\u00e9 z\u00e1kazn\u00edky kl\u00ed\u010dov\u00fdm parametrem p\u0159i v\u00fdb\u011bru chytr\u00e9ho telefonu. <\/p>\n\n\n\n

\u010c\u00edm v\u00edce \u010do\u010dek, t\u00edm\nl\u00e9pe?<\/strong><\/p>\n\n\n\n

V sou\u010dasnosti nen\u00ed probl\u00e9m po\u0159\u00eddit telefon s a\u017e p\u011bti \u010do\u010dkami na z\u00e1dech<\/strong>. Spousta lid\u00ed si z po\u010dtu sn\u00edma\u010d\u016f d\u011bl\u00e1 legraci a zpochyb\u0148uje je. V re\u00e1lu je ale nav\u00fd\u0161en\u00ed po\u010dtu sn\u00edma\u010d\u016f efektivn\u00edm \u0159e\u0161en\u00edm pro zv\u00fd\u0161en\u00ed kvality<\/strong> a univerz\u00e1lnosti<\/strong> fotomobilu.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Obecn\u011b ve sv\u011bt\u011b chytr\u00fdch telefon\u016f existuj\u00ed \u010dty\u0159i z\u00e1kladn\u00ed typy sn\u00edma\u010d\u016f. T\u00edm prvn\u00edm je hlavn\u00ed \u010do\u010dka<\/strong>, kter\u00e1 obvykle zvl\u00e1d\u00e1 nejvy\u0161\u0161\u00ed rozli\u0161en\u00ed, u vy\u0161\u0161\u00edch model\u016f b\u00fdv\u00e1 opticky stabilizov\u00e1na a pln\u00ed funkci \u201ehlavn\u00edho fotoapar\u00e1tu\u201c. V leto\u0161n\u00edm roce se staly velmi popul\u00e1rn\u00ed ultra-\u0161iroko\u00fahl\u00e9 \u010do\u010dky<\/strong>, d\u00edky kter\u00fdm na fotografii dostanete v\u00edce prostoru (m\u016f\u017eeme p\u0159irovnat k tzv. efektu ryb\u00edho oka<\/strong>). Tyto sn\u00edma\u010de b\u00fdvaj\u00ed m\u00e9n\u011b kvalitn\u00ed a mnohdy maj\u00ed pot\u00ed\u017ee se slab\u0161\u00edm sv\u011btlem, ale focen\u00ed s nimi je velmi n\u00e1vykov\u00e9. Jako s dal\u0161\u00edm se m\u016f\u017eete setkat se zoomov\u00fdm objektivem<\/strong>, kter\u00fd um\u00ed objekt opticky p\u0159ibl\u00ed\u017eit. Tato \u010do\u010dka se hod\u00ed p\u0159edev\u0161\u00edm pro detailn\u011bj\u0161\u00ed focen\u00ed vzd\u00e1len\u00fdch objekt\u016f. Posledn\u00ed v \u0159ad\u011b je pak teleobjektiv<\/strong>, kter\u00fd se postar\u00e1 o efektn\u00ed rozmaz\u00e1n\u00ed pozad\u00ed<\/strong> za zaost\u0159en\u00fdm objektem a lze si d\u00edky n\u011bmu pohr\u00e1t s hloubkou ostrosti. <\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

Kdy\u017e si tedy p\u0159edstav\u00edte, \u017ee m\u00e1te telefon osazen v\u0161emi\nzm\u00edn\u011bn\u00fdmi objektivy, nab\u00edz\u00ed se nep\u0159ebern\u00e9 mno\u017estv\u00ed vyu\u017eit\u00ed, nastaven\u00ed a zp\u016fsob\u016f\nfocen\u00ed, co\u017e jsme si u fotoapar\u00e1t\u016f s jednou \u010do\u010dkou ani nedok\u00e1zali\np\u0159edstavit.<\/p>\n\n\n\n

\u010c\u00edm v\u00edce megapixel\u016f,\nt\u00edm lep\u0161\u00ed fotka?<\/strong><\/p>\n\n\n\n

Spousta lid\u00ed je dodnes p\u0159esv\u011bd\u010dena, \u017ee kvalitu fotoapar\u00e1tu ur\u010duje rozli\u0161en\u00ed<\/strong> neboli po\u010det megapixel\u016f<\/strong>. Spousta v\u00fdrobc\u016f v minulosti na tento parametr s\u00e1zela a p\u0159edh\u00e1n\u011bla se v tom, kdo nab\u00eddne vy\u0161\u0161\u00ed \u010d\u00edslo. Nechceme \u0159\u00edci, \u017ee by tato hodnota byla bezv\u00fdznamn\u00e1, ale na v\u00fdsledn\u00e9 kvalit\u011b fotografie m\u00e1 pod\u00edl mnoho dal\u0161\u00edch aspekt\u016f.<\/p>\n\n\n\n

Jedn\u00edm z nejd\u016fle\u017eit\u011bj\u0161\u00edch parametr\u016f je sv\u011btelnost<\/strong>. Ta ur\u010duje, kolik sv\u011btla je schopen sn\u00edma\u010d zachytit. Obecn\u011b lze \u0159\u00edct, \u017ee \u010d\u00edm je objektiv sv\u011bteln\u011bj\u0161\u00ed<\/strong>, t\u00edm objektiv propust\u00ed v\u00edce sv\u011btla. Tento \u00fadaj je uv\u00e1d\u011bn ve form\u00e1tu nap\u0159. f\/1.8, p\u0159i\u010dem\u017e \u010d\u00edm se \u010d\u00edslo v\u00edce bl\u00ed\u017e\u00ed k hodnot\u011b 1, t\u00edm m\u00e1 objektiv vy\u0161\u0161\u00ed sv\u011btelnost.<\/p>\n\n\n\n

D\u016fle\u017eitou roli m\u016f\u017ee hr\u00e1t tak\u00e9 p\u0159\u00edtomnost autofocusu<\/strong>, tzv. automatick\u00e9ho ost\u0159en\u00ed. Touto vychyt\u00e1vkou je ji\u017e dnes vybavena drtiv\u00e1 v\u011bt\u0161ina chytr\u00fdch telefon\u016f st\u0159edn\u00ed a vy\u0161\u0161\u00ed t\u0159\u00eddy.<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

<\/p>\n\n\n\n

D\u016fle\u017eitou\nroli hraje software<\/strong><\/p>\n\n\n\n

V praxi se m\u016f\u017eeme setkat s r\u016fzn\u00fdmi modely telefon\u016f, kter\u00e9 nab\u00edz\u00ed naprosto toto\u017en\u00fd sn\u00edma\u010d (v sou\u010dasnosti t\u0159eba velmi obl\u00edben\u00fd 48 mpx od Sony), ale fotografie, kter\u00e9 z nich vyjdou, se li\u0161\u00ed sv\u00fdm pod\u00e1n\u00edm barev<\/strong>, ostrost\u00ed, prosv\u011btlen\u00edm<\/strong> a d\u016frazem na detaily. Jak je to mo\u017en\u00e9? Jednodu\u0161e ka\u017ed\u00fd v\u00fdrobce pou\u017e\u00edv\u00e1 sv\u00e9 softwarov\u00e9 \u0159e\u0161en\u00ed, kter\u00e9 po samotn\u00e9m vyfocen\u00ed fotografii uprav\u00ed. M\u00f3dn\u011b je pro tento postprocessing pou\u017e\u00edv\u00e1no ozna\u010den\u00ed \u201eAI photo<\/strong>\u201c, tedy um\u011bl\u00e1 inteligence<\/strong>. Nutno \u0159\u00edci, \u017ee ta m\u016f\u017ee v n\u011bkter\u00fdch p\u0159\u00edpadech pomoci, ale tak\u00e9 naopak se m\u016f\u017ee p\u0159i\u010dinit k tomu, \u017ee z fotoapar\u00e1tu vyjde paskvil s p\u0159esaturovan\u00fdm barevn\u00fdm pod\u00e1n\u00edm.<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

D\u00e1me selfie?<\/strong><\/p>\n\n\n\n

Pro spoustu lid\u00ed hraje d\u016fle\u017eitou roli tak\u00e9 \u010deln\u00ed kamerka<\/strong>, kter\u00fd slou\u017e\u00ed p\u0159edev\u0161\u00edm k po\u0159izov\u00e1n\u00ed popul\u00e1rn\u00edch selfie<\/strong>, p\u0159\u00edpadn\u011b nahr\u00e1v\u00e1n\u00ed „p\u0159\u00edb\u011bh\u016f“ na soci\u00e1ln\u00ed s\u00edt\u011b. Mimo to ji lze pou\u017e\u00edt k videohovor\u016fm<\/strong>. V tomto sm\u011bru vesm\u011bs plat\u00ed pravidlo, \u017ee \u010deln\u00ed kamera je m\u00e9n\u011b kvalitn\u00ed ne\u017e zadn\u00ed sn\u00edma\u010de a sp\u00ed\u0161e ne\u017e na jen\u00edm zdokonalov\u00e1n\u00ed se pracuje na miniaturizaci <\/strong>a um\u00edst\u011bn\u00ed tak, aby zabrala co nejmen\u0161\u00ed plochu \u010deln\u00ed strany. I zde je jedn\u00edm z nejd\u016fle\u017eit\u011bj\u0161\u00edch parametr\u016f ji\u017e zm\u00edn\u011bn\u00e1 sv\u011btelnost<\/strong>, p\u0159\u00edpadn\u011b \u00fahel z\u00e1b\u011bru<\/strong> – \u010d\u00edm v\u011bt\u0161\u00ed, t\u00edm v\u00edce se v\u00e1m toho na selfie vejde.<\/p>\n\n\n\n

Jak vyberu ten nejlep\u0161\u00ed?<\/strong><\/p>\n\n\n\n

Ka\u017ed\u00fd u\u017eivatel m\u00e1 na sv\u016fj chytr\u00fd telefon jin\u00e9 po\u017eadavky a jin\u00fd rozpo\u010det. Je samoz\u0159ejm\u00e9, \u017ee dra\u017e\u0161\u00ed telefony budou oproti ni\u017e\u0161\u00ed t\u0159\u00edd\u011b fotit v\u00fdrazn\u011b l\u00e9pe, i zde se v\u0161ak najdou favorit\u00e9 sv\u00e9 kategorie. Moment\u00e1ln\u011b nejuzn\u00e1van\u011bj\u0161\u00edm srovn\u00e1va\u010dem vlastnost\u00ed fotoapar\u00e1t<\/strong>\u016f v telefonu je DxOMark<\/a>, kter\u00fd V\u00e1m m\u016f\u017ee pomoci vybrat ten spr\u00e1vn\u00fd p\u0159\u00edstroj.<\/p>\n\n\n\n

Zobrazit nab\u00eddku chytr\u00fdch telefon\u016f >><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Je to u\u017e n\u011bjak\u00fd ten p\u00e1tek, co se na trhu objevily prvn\u00ed telefony, kter\u00e9 um\u011bly po\u0159\u00eddit fotku. Z po\u010d\u00e1tku byl jedin\u00fdm parametrem, kter\u00fd kdo \u0159e\u0161il, v\u00fdsledn\u00e9 rozli\u0161en\u00ed ud\u00e1van\u00e9 v bodech. Doba v\u0161ak pokro\u010dila a kvality fotoapar\u00e1tu jsou pro mnoh\u00e9 z\u00e1kazn\u00edky kl\u00ed\u010dov\u00fdm parametrem p\u0159i v\u00fdb\u011bru chytr\u00e9ho telefonu. \u010c\u00edm v\u00edce \u010do\u010dek, t\u00edm l\u00e9pe? V sou\u010dasnosti nen\u00ed probl\u00e9m po\u0159\u00eddit […]<\/p>\n","protected":false},"author":2,"featured_media":782,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[19],"tags":[],"class_list":["post-781","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-prakticke-tipy","et-has-post-format-content","et_post_format-et-post-format-standard"],"_links":{"self":[{"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/posts\/781"}],"collection":[{"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/comments?post=781"}],"version-history":[{"count":7,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/posts\/781\/revisions"}],"predecessor-version":[{"id":817,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/posts\/781\/revisions\/817"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/media\/782"}],"wp:attachment":[{"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/media?parent=781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/categories?post=781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/tags?post=781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}