{"id":5068,"date":"2015-10-18T16:08:49","date_gmt":"2015-10-18T15:08:49","guid":{"rendered":"https:\/\/tipyjakfotit.cz\/?p=5068"},"modified":"2015-12-02T12:30:25","modified_gmt":"2015-12-02T11:30:25","slug":"co-delat-pote-co-koupim-objektiv-a-predtim-nez-ho-zacnu-uzivat","status":"publish","type":"post","link":"https:\/\/tipyjakfotit.cz\/co-delat-pote-co-koupim-objektiv-a-predtim-nez-ho-zacnu-uzivat\/","title":{"rendered":"Co d\u011blat pot\u00e9, co koup\u00edm objektiv a p\u0159edt\u00edm, ne\u017e ho za\u010dnu u\u017e\u00edvat?"},"content":{"rendered":"

Tak\u017ee jste si po\u0159\u00eddili zbrusu nov\u00fd objektiv, o kter\u00e9m jste snili u\u017e dlouhou dobu – co te\u010f? Prvn\u00ed p\u0159irozenou v\u011bc\u00ed je nasadit objektiv na t\u011blo fotoapar\u00e1tu a vyfotit p\u00e1r zku\u0161ebn\u00edch sn\u00edmk\u016f. Ale je\u0161t\u011b p\u0159edt\u00edm je dobr\u00e9 ud\u011blat p\u00e1r v\u011bc\u00ed, kter\u00e9 v\u00e1m vypom\u016f\u017eou udr\u017eet objektiv v naprost\u00e9 \u010distot\u011b a sn\u00ed\u017eit \u00farove\u0148 frustrace v p\u0159\u00edpad\u011b, \u017ee se nov\u00fd objektiv uk\u00e1\u017ee b\u00fdti vadn\u00fdm. N\u00ed\u017ee najdete m\u016fj osobn\u00ed seznam v\u011bc\u00ed, kter\u00e9 po koupi objektivu d\u011bl\u00e1m j\u00e1.<\/span><\/p>\n

\"Objektiv\"<\/a><\/p>\n

1) Detailn\u00ed pr\u016fzkum<\/span><\/h3>\n

Pov\u011bt\u0161inou je za\u0159\u00edzen\u00ed, kter\u00e9 kupuji, zbrusu nov\u00e9. Nicm\u00e9n\u011b existuj\u00ed p\u0159\u00edpady, kdy prodejci vyd\u00e1vaj\u00ed za nov\u00fd ji\u017e pou\u017eit\u00fd objektiv. Takt\u00e9\u017e nen\u00ed koup\u011b nov\u00e9ho za\u0159\u00edzen\u00ed pravidlem, a v p\u0159\u00edpad\u011b dra\u017e\u0161\u00edch kousk\u016f se uchyluji ke koupi ji\u017e pou\u017eit\u00e9ho zbo\u017e\u00ed. A\u0165 tak \u010di onak – nen\u00ed na \u0161kodu si zkontrolovat, zdali je objektiv v dobr\u00e9m stavu.<\/span><\/p>\n

Prvn\u00ed v\u011bc, kterou d\u011bl\u00e1m, je detailn\u00ed prozkoum\u00e1n\u00ed bajonetu.\u00a0Zde se d\u00edv\u00e1m p\u0159edev\u0161\u00edm po\u00a0stop\u00e1ch pou\u017e\u00edv\u00e1n\u00ed a opot\u0159eben\u00ed. Obvykle uvid\u00edte ne\u010distoty jak na vnit\u0159n\u00ed stran\u011b krytky bajonetu, tak na samotn\u00e9m za\u0159\u00edzen\u00ed. V hor\u0161\u00edm p\u0159\u00edpad\u011b, toti\u017e pokud se n\u011bkdo pokou\u0161el bajonet a krytku neobratn\u011b vy\u010distit, uvid\u00edte i \u0161kr\u00e1bance. Pokud v\u0161e vypad\u00e1 v tomto ohledu dob\u0159e, zkontrolujte skl\u00ed\u010dko na zadn\u00ed stran\u011b objektivu a ujist\u011bte se, \u017ee je \u010dist\u00e9 a bez \u0161kr\u00e1banc\u016f. D\u00e1le se p\u0159esu\u0148te k p\u0159edn\u00ed \u010d\u00e1sti objektivu, kde se soust\u0159e\u010fte takt\u00e9\u017e na po\u0161kr\u00e1b\u00e1n\u00ed a ne\u010distoty.<\/span><\/p>\n

Pot\u00e9 zkuste vyfotografovat jeden sn\u00edmek s pou\u017eit\u00ed zabudovan\u00e9ho blesku, abyste zjistili, zdali se p\u0159ed p\u0159edn\u00edm optick\u00fdm \u010dlenem nevytvo\u0159ily men\u0161\u00ed chom\u00e1\u010dky prachu a dal\u0161\u00ed \u010d\u00e1stice, kter\u00e9 by neodvratn\u011b znamenaly vym\u011bn\u011bn\u00ed nebo \u00fapln\u00e9 vr\u00e1cen\u00ed objektivu. Nakonec se pod\u00edvejte, zda nen\u00ed po\u0161kr\u00e1ban\u00fd \u010di jinak poni\u010den\u00fd samotn\u00fd tubus.<\/span><\/p>\n

\"Objektiv\"<\/a><\/p>\n

2) Vy\u010di\u0161t\u011bn\u00ed bajonetu a konektor\u016f<\/span><\/h3>\n

Na ka\u017ed\u00e9m z nov\u011b zakoupen\u00fdch objektiv\u016f bylo v\u00edce \u010di m\u00e9n\u011b maziva, co\u017e je zcela norm\u00e1ln\u00ed. Tento tuk ve skute\u010dnosti p\u0159idali sami v\u00fdrobci, aby n\u00e1m umo\u017enili p\u0159\u00edjemn\u011bj\u0161\u00ed mont\u00e1\u017e\u00a0a aby sn\u00ed\u017eili t\u0159en\u00ed p\u0159i zacvaknut\u00ed kovov\u00fdch prvk\u016f.<\/span><\/p>\n

Nicm\u00e9n\u011b naraz\u00edte na p\u0159\u00edpady, kdy je na bajonetu maziva zbyte\u010dn\u011b moc, p\u0159edev\u0161\u00edm na samotn\u00fdch kontaktech, co\u017e m\u016f\u017ee potencion\u00e1ln\u011b ovlivnit komunikaci mezi objektivem a fotoapar\u00e1tem, zejm\u00e9na kdy\u017e se maz sm\u00eds\u00ed s ne\u010distotami a prachem. N\u011bkdy jsou stopy nadm\u011brn\u00e9ho maziva patrn\u00e9 i na krytce objektivu. Kdy\u017e tyto stopy uvid\u00edte, snadno p\u0159ebyte\u010dn\u00fd maz odstran\u00edte s pomoc\u00ed had\u0159\u00edku z mikrovl\u00e1kna a lihu – posta\u010d\u00ed ho kapka. Dbejte na to, abyste se nedopat\u0159en\u00edm nedotkli optick\u00e9ho prvku. Po pou\u017eit\u00ed had\u0159\u00edku doporu\u010duji pou\u017e\u00edt je\u0161t\u011b Rocket Blower, abyste se zbavili i mikroskopick\u00fdch ne\u010distot, kter\u00e9 po sob\u011b zanechal had\u0159\u00edk.<\/span><\/p>\n

\u00a0\"Objektiv\"<\/a>
<\/a><\/p>\n

3) Chra\u0148te filtrem<\/h3>\n

Osobn\u011b pou\u017e\u00edv\u00e1m UV\/ochrann\u00fd filtr na ka\u017ed\u00e9m objektivu, kter\u00fd vlastn\u00edm, a to ze dvou hlavn\u00edch d\u016fvod\u016f – ochrana a snadn\u011bj\u0161\u00ed \u010dist\u011bn\u00ed. Ud\u00e1lo se ji\u017e n\u011bkolik p\u0159\u00edpad\u016f, ve kter\u00fdch mi pou\u017eit\u00ed filtru zachr\u00e1nilo tak\u0159ka \u017eivot – n\u011bkolikr\u00e1t se mi je poda\u0159ilo p\u011bkn\u011b po\u0161kr\u00e1bat. Nejv\u00edc jsem filtr po\u0161kodila p\u0159i prol\u00e9z\u00e1n\u00ed hust\u00fdm k\u0159ov\u00edm (ano, i p\u0159esto, \u017ee jsem m\u011bla nasazenou slune\u010dn\u00ed clonu). Sta\u010dilo pouze vym\u011bnit filtr, co\u017e vy\u0161lo mnohem levn\u011bji, ne\u017e v\u00fdm\u011bna objektivu. <\/span><\/p>\n

V\u00edm, \u017ee existuje mnoho fotograf\u016f, kte\u0159\u00ed odsuzuj\u00ed pou\u017e\u00edv\u00e1n\u00ed filtr\u016f, jeliko\u017e jsou p\u0159esv\u011bd\u010deni, \u017ee pr\u00e1v\u011b nasazen\u00fd filtr degraduje kvalitu obrazu. To je samoz\u0159ejm\u011b pravda, nicm\u00e9n\u011b plat\u00ed pouze p\u0159i pou\u017e\u00edv\u00e1n\u00ed levn\u00fdch filtr\u016f. Vysoce kvalitn\u00ed filtry maj\u00ed jen z\u0159\u00eddka vliv na kone\u010dnou kvalitu sn\u00edmku. Zkr\u00e1tka pokud budete pou\u017e\u00edvat filtry kvalitn\u00ed, nemus\u00edte se b\u00e1t o kvalitu sn\u00edmk\u016f.<\/span><\/p>\n

\u00a04) Otestov\u00e1n\u00ed<\/p>\n

Prozkoumali jste, vy\u010distili a ochr\u00e1nili objektiv filtrem – co d\u00e1l? Nyn\u00ed je kone\u010dn\u011b \u010das na fotografov\u00e1n\u00ed a skute\u010dn\u00e9 testov\u00e1n\u00ed! Jd\u011bte na proch\u00e1zku po okol\u00ed a ud\u011blejte co nejv\u011bt\u0161\u00ed mno\u017estv\u00ed fotografi\u00ed. Zkuste se zam\u011b\u0159it na p\u0159edm\u011bty p\u011bkn\u011b zbl\u00edzka a pot\u00e9 zd\u00e1lky s r\u016fzn\u00fdmi hodnotami clony i z\u00e1v\u011brky. Velkou pozornost v\u011bnujte takt\u00e9\u017e ost\u0159en\u00ed.<\/span><\/p>\n

Jakmile se dostanete dom\u016f, fotky si projd\u011bte a zhodno\u0165te v\u00fdsledek. Pokud se uk\u00e1\u017ee, \u017ee v\u011bt\u0161ina sn\u00edmk\u016f je neostr\u00e1, m\u016f\u017ee m\u00edt objektiv porouchan\u00e9 ost\u0159en\u00ed (nebo jen nev\u00edte, jak spr\u00e1vn\u011b ost\u0159it). V\u011bt\u0161ina v\u00fdrobc\u016f nab\u00edz\u00ed ji\u0161t\u011bn\u00ed kvality, nicm\u00e9n\u011b existuj\u00ed p\u0159\u00edpady, kdy objektiv pot\u0159ebuje jemn\u011b doladit a kalibrovat. Samotn\u00e1 kalibrace nen\u00ed t\u011b\u017ek\u00e1 – pot\u0159ebujete k n\u00ed stativ a kalibra\u010dn\u00ed graf. J\u00e1 spol\u00e9h\u00e1m na profesion\u00e1ly ve specializovan\u00fdch prodejn\u00e1ch, a v takov\u00fdch p\u0159\u00edpadech sv\u011b\u0159uji objektivy pr\u00e1v\u011b jim.<\/span><\/p>\n

Pokud jste pokro\u010dil\u00fd fotograf, doporu\u010dila bych v\u00e1m zkontrolovat i dal\u0161\u00ed p\u0159\u00edpadn\u00e9 probl\u00e9my, mezi kter\u00e9 pat\u0159\u00ed nadm\u011brn\u00e1 chromatick\u00e1 aberace, zkreslen\u00ed a\u00a0decentralizace jednotliv\u00fdch prvk\u016f objektivu.<\/span><\/p>\n

\"Objektiv\"<\/a><\/p>\n

5) Registrace<\/h3>\n

Nezapome\u0148te objektiv, kter\u00fd jste po\u0159\u00eddili od zna\u010dky Nikon, Canon, Sony atp., registrovat. Tato registrace je u\u017eite\u010dn\u00e1 zejm\u00e9na z jednoho prost\u00e9ho d\u016fvod\u016f – nap\u0159\u00edklad v\u00fdrobce Nikon nab\u00edz\u00ed p\u0159i registraci produktu prodlou\u017eenou z\u00e1ruku na 5 let. D\u00e1le z\u00edsk\u00e1te rychl\u00fd servis v p\u0159\u00edpad\u011b jak\u00e9koliv poruchy.<\/span><\/p>\n

\u00a0
<\/a><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Tak\u017ee jste si po\u0159\u00eddili zbrusu nov\u00fd objektiv, o kter\u00e9m jste snili u\u017e dlouhou dobu – co te\u010f? Prvn\u00ed p\u0159irozenou v\u011bc\u00ed je nasadit objektiv na t\u011blo fotoapar\u00e1tu a vyfotit p\u00e1r zku\u0161ebn\u00edch sn\u00edmk\u016f. Ale je\u0161t\u011b p\u0159edt\u00edm je dobr\u00e9 ud\u011blat p\u00e1r v\u011bc\u00ed, kter\u00e9 v\u00e1m vypom\u016f\u017eou udr\u017eet objektiv v naprost\u00e9 \u010distot\u011b a sn\u00ed\u017eit \u00farove\u0148 frustrace v p\u0159\u00edpad\u011b, \u017ee se […]<\/p>\n","protected":false},"author":2,"featured_media":5505,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[81],"tags":[],"_links":{"self":[{"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/posts\/5068"}],"collection":[{"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/comments?post=5068"}],"version-history":[{"count":0,"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/posts\/5068\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/media\/5505"}],"wp:attachment":[{"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/media?parent=5068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/categories?post=5068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/tags?post=5068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}