Underexposure yog qhov tshwm sim tsis txaus lub teeb tsoo lub suab paj nruag lossis lub koob yees duab sensor. Cov duab hauv qab yog tsaus nti, muaj cov ntsiab lus me me hauv lawv cov duab ntxoov ntxoo, thiab pom murky.
Yuav ua li cas koj thiaj paub yog tias ib zaj yeeb yaj kiab raug nthuav tawm?
Yog tias daim duab tsaus dhau, nws pom tsis pom. Cov ntsiab lus yuav ploj hauv qhov ntxoov ntxoo thiab qhov tsaus ntuj tshaj plaws ntawm daim duab. Yog hais tias daim duab yog lub teeb heev, nws yog overexposed. Cov ntsiab lus yuav poob rau hauv qhov tseem ceeb thiab qhov ci tshaj plaws ntawm daim duab.
Yuav ua li cas thaum ua yeeb yaj kiab tsis pom?
Kev ua yeeb yaj kiab txhais tau tias uas koj hloov koj qhov chaw kom lub teeb tsawg dua qhov pom zoo hits zaj duab xis Zaj duab xis overexposing txhais tau tias koj tso lub teeb ntau tshaj qhov pom zoo ntaus zaj duab xis. Pushing zaj duab xis txhais tau hais tias koj underexpose nws, tab sis kuj txhim kho nws ntev dua, los them rau qhov underexposure.
zaj movie no txhais li cas?
1. kev yees duab. (ntawm ib zaj duab xis, phaj, lossis ntawv) raug rau lub sijhawm luv luv lossis tsis muaj lub teeb txaus thiaj li tsis tsim cov nyhuv uas xav tau . Ib qho swb qis dua qhov tsaus ntuj. Ib qho tsis zoo uas tsis pom zoo tuaj yeem luam tawm kom tau txais txiaj ntsig zoo.
Cov duab hluav taws xob tsis zoo li cas?
Ib qho duab hluav taws xob tsis zoo txhais tau hais tias tsis muaj qhov nkag mus ntawm x-ray beam los ntawm tus neeg mob cov ntaub so ntswg. Qhov no ua rau cov duab x-ray uas saib dawb dhau lossis lub teeb piv rau cov duab hluav taws xob raug pom zoo Cov nyhuv "whitewash" tuaj yeem ua rau nws nyuaj rau pom qee qhov txhab lossis qhov txawv txav.