2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ua ntej tshaj plaws nce qib rings yuav tsum tsis txhob ua rau koj muaj teeb meem vignetting. Cov kauj ruam rings pheej yig yog li tsis muaj ntau los xav txog tiag tiag. Cia li yuav lawv.
Puas nqis rings ua vignetting?
Cov kauj ruam-down rings tsis yog siv dav raws li cov kauj ruam nce vim, hauv feem ntau, cov lim me me ua rau vignetting. … Nyob rau hauv cov ntaub ntawv no, daim duab me me yuav feem ntau negate ib vignetting los yog duab clipping.
Puas nce thiab nqis nqis ib yam?
kauj ruam-down rings ua qhov sib txawv ntawm lub nplhaib kauj ruam. Lawv kho lub lens loj dua kom haum rau lub lim me. … Thaum siv cov kauj ruam-down rings thiab lim, ib tug tuaj yeem pom ntau vignetting. Feem ntau cov ces kaum tau txais lub teeb tsawg vim yog lub qhov uas tsim.
Koj tiv thaiv lub lens vignetting li cas?
Stop Down Your Lens
Vignetting yog pom tseeb tshaj plaws ntawm qhov dav apertures. Txhawm rau txo qhov vignetting, sim txhawm rau nres koj lub lens kom qis dua qhov aperture.
Koj puas tuaj yeem siv lub lens hood nrog lub nplhaib nce qib?
Kev yuav lub 77mm lim thiab 62mm mus rau 77mm kauj ruam lub nplhaib tso cai rau koj siv tib lub lim nrog ob lub lo ntsiab muag. Tam sim no, muaj qhov tsis zoo - lens hood yuav tsis haum rau lub lim thaum kojsiv cov ntiv nplhaib nce qib. Qhov no tuaj yeem ua rau qee qhov teeb meem flare, tab sis yog tias koj yuav lub lim dej zoo nws tsis yog ib qho teeb meem.
Pom zoo:
Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?
Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.
Puas siv tshuaj kho mob cuam tshuam rau ntiv tes thiab cov ntiv taw?
Nail hloov thaum siv tshuaj khomob. Tshuaj kho mob tuaj yeem cuam tshuam kev loj hlob ntawm cov hlwb tshiab hauv koj lub cev. Cov hlwb uas nplua nuj keratin uas ua rau koj cov tawv nqaij thiab cov rau tes tuaj yeem cuam tshuam tshwj xeeb los ntawm qhov no.
Dab tsi ua rau mob ntiv tes thiab ntiv taw?
Kev raug mob tej zaum yuav muaj pob txha, mob, tawg, lossis pob txha. Tus kws kho mob yuav tsum tau rov kho cov pob txha tawg. Mob vim mob caj dab lossis kab mob tuaj yeem ua rau mob pob qij txha. Ib tug neeg cov tsos mob yuav tsum zoo dua thaum lawv kho tus mob hauv qab.
Koj puas yuav yuav kuv ntiv nplhaib?
Ua ntej kev sib yuav, lub nplhaib sib cog lus mus rau ntawm tus ntiv tes thib peb ntawm sab laug tes. Muaj ntau txoj kev xav txog yuav ua li cas hnav koj lub nplhaib sib koom ua ke rau hnub loj. Feem ntau cov nkauj nyab muab lawv lub nplhaib sib koom tes rau sab xis ua ntej lub ceremony.
Tus ntiv tes ntiv tes rau poj niam yog dab tsi?
ntiv tes ntiv tes yog tus ntiv tes thib plaub ntawm tes, thiab cov nkauj nyab feem ntau hnav lawv txoj kev koom tes thiab kab tshoob ntawm tus ntiv tes ntawm sab laug tes. Txawm li cas los xij, nws tsis zoo ib yam hauv txhua haiv neeg thiab lub tebchaws.
