Puas nqis ntiv nplhaib ua rau vignetting?

Cov txheej txheem:

Puas nqis ntiv nplhaib ua rau vignetting?
Puas nqis ntiv nplhaib ua rau vignetting?

Video: Puas nqis ntiv nplhaib ua rau vignetting?

Video: Puas nqis ntiv nplhaib ua rau vignetting?
Video: Koj saib kuv tsis muaj nqis - Nkauj tawm tshiab 2021-22 2024, Kaum ib hlis
Anonim

Vim li cas thiab thaum koj xav tau lub nplhaib kauj ruam-down rings tsis tau siv dav li cov kauj ruam nce vim, feem ntau, cov lim me me ua rau vignetting.

Puas nce thiab nqis nqis ib yam?

4 Teb. Lub nplhaib nce qib tso cai rau koj kom haum lub lim uas muaj cov xov loj dua koj lub lens. A kauj ruam-down lub nplhaib ua qhov sib txawv(nrog muaj teeb meem vignetting). Yog tias koj muaj 72mm lens threads thiab xav kom haum lub 77mm lim, koj xav tau lub nplhaib nce qib.

Kuv puas tuaj yeem muab cov kauj ruam nce?

Koj tuaj yeem tso ntau lub kauj ruam ua kekom ua tiav cov xov loj dua.

Dab tsi yog kauj ruam nce lub nplhaib adapter?

Ib kauj ruam-up lim adapter nplhaib yog ib lub iav yooj yim-tsawg nplhaib nrog txiv neej threads (rau koj lub lens) thiab loj loj poj niam threads (rau koj lim). Cov kauj ruam nce lub nplhaib ntsia hlau rau ntawm koj lub lens thiab cov ntxaij lim dej rau ntawm lub nplhaib kauj ruam. Nws yooj yim npaum li ntawd.

Puas yog siv cov kauj ruam nce qib?

Feem ntau, nce rings tuaj yeem pab koj kom tsis txhob vignetting tab sis feem ntau tsim teeb meem nrog flaring. Qhov txiaj ntsig ntawm lub nplhaib nce qib yog tias ntev npaum li lub nplhaib nws tus kheej tsis ua rau vignetting, feem ntau koj tuaj yeem tso ob peb lub lim dej tsis muaj teeb meem vim lawv qhov loj dua.

Pom zoo: