Indlela yokusebenzisa ama-AF Amaphuzu ukuze uqinisekise ama-Sharp Photos
Njengoba wenza ushintsho kusuka kwikhamera yezinga eliqala ekuqaleni kumodeli aphambili, njenge-DSLR, uzothola ukulawula okungaphezulu kwesithombe sokugcina. Ungashintsha ukuvula ikhamera noma isivinini se-shutter ukuze ushintshe ukuvezwa endaweni yesehlakalo. Ukuqonda amaphuzu we-autofocus kungenye ingxenye ebalulekile yokuba photographer othuthukile, njengoba ungashintsha kakhulu ukubukeka kwesithombe ngokushintsha iphuzu le-autofocus.
Amakhamera we- DSLR yanamuhla afika ngamaphuzu amaningi okugxila, ngokuvamile angabonwa ngesikrini sokubuka noma esikrinini se-LCD. Ngamakhamera ase-ADLR amadala, la maphuzu ayebonakala kuphela ngombono wokubukela, kodwa njengemodi ye-Live View iye yathandwa kakhulu kuma-cameras amasha we-DSLR, abakhiqizi banikeze abathwebuli bezithombe ithuba lokubuka la maphuzu okugxila kwesikrini se-LCD noma kusibukeli .
Kungakhathaliseki ukuthi ubhekaphi, lezi ziyaziwa ngokuthi amaphuzu we-autofocus, noma amaphuzu we-AF. I-DSLRs inezinombolo zamaphuzu we-autofocus, kusukela ku-5 kuya ku-77 noma ngaphezulu amaphuzu AF. Uma ufuna ukuthola ukuqonda kangcono amaphuzu AF nokuthi basebenza kanjani, qhubeka ufunda!
Yiziphi Ama-Autofocus Amaphuzu?
Amaphoyinti we-Autofocus yilokho ikhamera isebenzisa ukugxila kwisifundo. Cishe uzoqala ukuwaqaphela uma ucindezela i-shutter isigamu. Amakhamera amaningi azokhipha "i-beep," futhi amanye amaphuzu e-AF azokhanya (ngokuvamile ebalala obomvu noma obuluhlaza) kusibukeli sokubuka noma esikrinini sokubonisa. Uma i-DSLR yakho ishiywe ekukhethweni kwe-AF othomathikhi, uzokwazi ukuthi ikhamera igxile kuphi ama-AF amaphuzu avela.
Ukusebenzisa ukukhethwa kwe-AF okuzenzekelayo kungasebenza kahle ezinhlobonhlobo eziningi zezithombe. Isibonelo, uma usebenzisa ukujula okukhulu kwensimu futhi ungadudli noma yini ehambayo, ivumela ikhamera ukuba ikhethe ngokuzenzakalelayo amaphuzu AF kufanele asebenze kahle.
Kodwa ngezinhlobo ezithile zezifundo, ikhamera ingahle idideke ngokuthi ihloselwe ukugxila kuphi. Isibonelo, uma uzama ukudubula i-butterfly eqabeni ngesigcawu esigcwele umehluko, ikhamera ingagxila ekuqhathaniseni okuhlukile nakakhulu ngemuva. Lokhu kungaholela esihlokweni esiyinhloko esishiywe sikhala, ngenkathi isizinda sigxile. Ngakho ukuze uphephe, ngezinye izikhathi kungcono ukusebenzisa ukukhethwa kwe-AF manual.
Iyini Incwadi ye-AF Ukukhetha?
Ukukhethwa kwe-Manual Manual ngokuvamile kusho ukuthi ungakhetha kuphela iphuzu elilodwa le-AF, elizokunikeza indawo eqondile okufanele uyigxilise kuyo. Kufanele ukwazi ukukhetha uhlobo oluqondile lwe-AF iphuzu lesistimu ofuna ukuyisebenzisa ngamamenyu wekhamera. Futhi uma ikhamera yakho ye-DSLR yenzeka ukuba nekhono lokuthinta isikrini, ungase ukwazi ukukhetha i-AF iphuzu ofuna ukuyisebenzisa ngokuthinta ingxenye yeskrini equkethe leyo ngxenye yesigcawu ofuna ukugxila kuyo, okuyinto kakhulu kulula ukuyisebenzisa.
Futhi ezinye amakhamera zanamuhla, njengeCanon EOS 7D (okufanekiselwe lapha), zinezinhlelo ezihlakaniphile ze-AF, ezikuvumela ukuthi ungakhethi kuphela amaphuzu owodwa, kodwa futhi ukhethe iqembu noma isigaba esithombeni okufanele usigxilise kuso. Izinhlelo ze-AF ziba yinkimbinkimbi kakhulu, ngaleyo ndlela ukunciphisa amathuba omthwebuli wezithombe ukugxila ekugxilweni kwakhe.
Ukusebenzisa Amanani Amakhulu E-AF
Ukuba namaphuzu amaningi e-AF kuwusizo ikakhulukazi uma uthanda ukuthatha amahlumela amaningi, noma uma izithombe ezifuywayo zezingane nezithombe ... zombili ezingavamile ukuhlala! Ngenombolo ephakeme yamaphoyinti we-AF, unganciphisa amathuba okuba isihloko sisekuqaleni kokugxila. Uma ngokuyinhloko ukudubula izithombe noma amathafa , noma kunjalo, cishe uzojabula ngenani eliphansi lama-AF, njengoba ungakwazi kalula ukulungisa izihloko zakho noma isikhundla sakho.