Ib vignette yog ib ciam teb tsaus nti - qee zaum raws li qhov muag plooj lossis duab ntxoov ntxoo - ntawm thaj chaw ntawm cov duab. Nws tuaj yeem ua rau muaj kev cuam tshuam los qhia txog qee yam ntawm cov duab lossis vim yog siv cov chaw tsis raug, khoom siv lossis lens thaum thaij duab.
Dab tsi ua rau vignetting hauv cov duab?
Optical vignetting yog tshwm sim los ntawm lub teeb tsoo lub lens aperture ntawm lub kaum ntse ntse - ib qho kev cuam tshuam sab hauv lub cev. Cov nyhuv no feem ntau pom nyob rau hauv cov duab coj nrog lub kaum ntse ntse thiab dav aperture lo ntsiab muag siv nrog qhib apertures dav. … Cov kaum sab xis uas muaj zog tshaj plaws yuav pom ntawm cov duab ntug.
Vim yog dab tsi hauv cov duab?
Hauv kev yees duab thiab kho qhov muag, vignetting yog txo qis ntawm cov duab qhov ci lossis qhov saturation mus rau sab nraud piv rau qhov chaw duab. Lo lus vignette, los ntawm tib lub hauv paus xws li txiv hmab txiv ntoo, Ameslikas xa mus rau cov ciam teb zoo nkauj hauv phau ntawv.
Thaum twg koj yuav siv lub vignette hauv kev yees duab?
Ib vignette tuaj yeem ua haujlwm kos lub qhov muag mus rau nruab nrab ntawm daim duab. Koj tuaj yeem siv ib qho thaum ntug ntawm daim duab kuj ci thiab sib ntaus rau koj cov xim. Tej zaum cov ntsiab lus tseem ceeb hauv qhov chaw yog me ntsis tsaus dua li ib puag ncig. Txawm li cas los xij koj tsis xav siv vignette los ua kom cov duab tsaus ntau dhau.
Vim vignetting txhais li cas?
(Nkag 1 ntawm 2) 1a: ib daim duab (xws li kos duab lossis duab) uas ntxoov ntxoo tawmmaj mam mus rau hauv daim ntawv ib puag ncig. b: cov duab kos duab ntawm daim ntawv pov thawj tsim raws li qhov txawv ntawm tus ncej thiab tsab ntawv. 2a: Cov lus piav qhia luv luv.
