Vim li cas lub koob yees duab feem ntau nthuav tawm cov duab hnub sawv thiab hnub poob? Lub koob yees duab feem ntau over-exposes hnub sawv thiab hnub poob dluab vim lub koob yees duab sim sib npaug tawm qhov raug mus thoob plaws spectrum.
Dab tsi yog qhov aperture thiab nws cuam tshuam li cas hnub sawv hnub poob duab dab tsi feem ntau suav tias yog qhov zoo tshaj plaws aperture rau hnub sawv hnub poob duab?
Ntau tus neeg yuav xaiv siv lub aperture siab, xws li f/11, f/16 lossis siab dua, thaum thaij duab hnub poob. Qhov no tso cai rau qhov tob ntawm thaj tsam ntau dua (chaw nyob hauv ib daim duab uas tshwm hauv kev tsom xam) kom txhua yam ntawm lub hauv ntej mus rau tom qab yuav ua kom pom tseeb.
Puas yog nws zoo dua los thaij duab thaum hnub sawv lossis hnub poob?
Vim qhov kub hnyiab tuaj yeem nyuaj heev thiab qee zaum txawm tias tsis tuaj yeem cuam tshuam nrog tom qab ua tiav, nws ib txwm xav tua nrog tsawg dua ntawm nws hauv huab cua, uas ua rau tshav ntuj ntau txaus nyiam tshaj. hnub poob.
Cov kws yees duab yuav tsum xav txog dab tsi ua ntej yuav thaij duab hnub sawv thiab hnub poob?
Tus kws yees duab yuav tsum xav txog dab tsi ua ntej yuav thaij duab hnub tuaj thiab hnub poob - Cov kws yees duab yuav tsum coj lub sijhawm hnub tuaj / hnub poob, xim saum ntuj, thiab huab cua los txiav txim siab ua ntej thaij duab hnub tuaj / hnub poobTxhua yam khoom no tuaj yeem hloov daim duab loj heev.
Lub lim twg siv thaum tua hnub poob?
Tshaj tawm cov lim dej tsis zoo yog qhov muaj txiaj ntsig zoo thaum thaij duab hnub tuaj lossis hnub poob vim lawv pab txawm tias tawm qhov raug los ntawm kev txo cov teeb ci dhau los ntawm qhov lim.
