Cov Lenses Fixed Focus Zoo Rau Cov Duab Hom Twg?

Vim lawv cov qauv kho qhov muag yooj yim thiab muaj peev xwm muab cov duab zoo heev,cov iav tsom kwm ruaj khovyog cov duab uas ntau tus kws thaij duab nyiam. Ua ib tug neeg tshiab uas nyiam siv cov iav tsom teeb, koj puas tsis paub tias cov iav tsom teeb twg haum rau cov duab? Hnub no, cia peb kawm txog kev thaij duab nrog cov iav tsom teeb.

Cov iav tsom iav uas tsom iav ruaj khov muaj qhov ntev focal ntev thiab feem ntau muab qhov zoo ntawm qhov aperture loj, ua rau lawv tsim nyog rau kev thaij duab ntau hom duab. Txawm li cas los xij, cov ntawv thov tshwj xeeb nyob ntawm qhov ntev focal siv thiab qhov xwm txheej tua. Cov hauv qab no yog cov hom kev thaij duab tseem ceeb uas cov iav tsom iav ruaj khov haum rau:

1.Kev thaij duab Portrait

Vim lawv muaj qhov zoo ntawm qhov aperture thiab cov duab zoo heev, cov lens fixed focus tau dhau los ua hom lens nyiam tshaj plaws rau cov neeg thaij duab portrait. Cov lens nrog focal lengths ntawm 50mm, 85mm, thiab 135mm, tshwj xeeb, tuaj yeem muab qhov pom ntuj thiab qhov cuam tshuam zoo ntawm keeb kwm yav dhau los, ua rau tus neeg sawv tawm ntawm qhov chaw ib puag ncig thiab zoo li pom tseeb thiab zoo nkauj heev, ua rau lawv tsim nyog rau kev thaij duab portrait ze thiab ib nrab lub cev.

2.Kev thaij duab ntawm txoj kev thiab kev thaij duab rau ntawm tus kheej

Feem ntau cov duab thaij ntawm txoj kev xav tau "kev thaij duab sai thiab kev thaij duab tsis pom tseeb." Cov iav tsom teeb muaj qhov ceev autofocus ceev, ua rau lawv tsim nyog rau kev thaij duab lub sijhawm luv luv ntawm txoj kev.

Tib lub sijhawm ntawd, cov iav tsom iav feem ntau me me thiab tsis hnyav, yog li lawv yooj yim dai rau ntawm lub koob yees duab thiab tsim nyog rau kev thaij duab tes ntev. Lawv kuj tsis tshua ua rau tus neeg xav tsis thoob thaum thaij duab, ua rau lawv tsim nyog rau kev thaij duab lub sijhawm ntuj tsim, xws li kev qhia ntawm cov neeg hla kev thiab cov xwm txheej txhua hnub.

Cov iav tsom iav uas tsis txav tau feem ntau siv rau hauv kev thaij duab ntawm txoj kev

3.Kev thaij duab toj roob hauv pes

Txawm hais tiascov iav tsom kwm ruaj khovTsis yog cov iav tseem ceeb siv hauv kev thaij duab toj roob hauv pes, cov iav tsom iav dav dav feem ntau siv los thaij cov duab dav dav thiab cov ntsiab lus nplua nuj. Piv rau cov iav zoom, cov iav tsom iav tsom iav muab cov ntug ntse thiab kev tswj kev cuam tshuam zoo dua, ua rau lawv haum rau kev thaij duab toj roob hauv pes uas xav tau cov duab zoo heev, xws li cov duab ntawm lub ntuj muaj hnub qub, cov roob uas muaj daus npog, thiab ntug dej hiav txwv.

4.Kev thaij duab zaub mov thiab lub neej tseem ceeb

Cov duab thaij khoom noj thiab cov duab tseem xav tau cov qauv siab heev rau kev nthuav dav, cov qauv, thiab kev tswj lub teeb, uas cov iav tsom teeb tuaj yeem ua tau raws li lawv cov duab zoo tshaj plaws thiab kev tswj qhov aperture. Cov iav tsom teeb muab qhov ntse thiab qhov sib piv zoo dua, ua kom pom tseeb cov qauv thiab cov khoom siv ntawm cov khoom noj thiab cov duab tseem, xws li cov ncuav mog qab zib crispy lossis cov duab cuam tshuam rau ntawm hlau, ua rau cov duab zoo nkauj dua lossis zoo nkauj dua.

Ntxiv rau, cov iav tsom iav uas tsis txav chaw kuj tseem tuaj yeem tsim cov nyhuv ntawm "cov cheeb tsam ntse thiab cov npoo tsis meej" los ntawm kev siv lub qhov loj, xws li ua kom pom cov txiv hmab txiv ntoo ntawm lub ncuav mog qab zib thiab ua kom cov npoo ntawm lub phaj tsis meej.

Cov iav tsom kwm feem ntau siv rau hauv kev thaij duab zaub mov thiab tseem lub neej

5.Kev thaij duab hmo ntuj thiab lub teeb qis

Cov iav tsom kwm ruaj khovnrog rau qhov qhib loj tuaj yeem ntes tau ntau lub teeb hauv qhov chaw tsaus ntuj. Txawm tias qhov ceev ntawm lub shutter khaws cia rau hauv qhov chaw nyab xeeb, qhov no zam qhov tsis zoo ntawm cov duab los ntawm qhov chaw ISO siab, ua kom cov duab ci ntsa iab thiab meej uas khaws cia qhov chaw ntawm qhov chaw. Lawv feem ntau siv rau kev thaij duab hmo ntuj, khw kas fes, thiab chaw ua tshoob.

Piv txwv li, thaum thaij duab nroog thaum hmo ntuj, lub qhov (aperture) loj tuaj yeem tsim cov teeb ci ntsa iab (starburst effect) uas ua rau lub teeb ci ntsa iab, lossis thaum thaij duab thaum hmo ntuj, nws tuaj yeem ua kom lub ntsiab lus ntawm daim duab sib npaug nrog qhov chaw nyob ib puag ncig thaum hmo ntuj.

6.Kev thaij duab loj

Cov iav tsom iav uas tsom tsis txav feem ntau muaj qhov kev daws teeb meem siab, muaj peev xwm ntes tau cov qauv zoo nkauj thiab cov ntsiab lus me me. Lawv kuj tsim nyog rau kev thaij duab macro, zoo tagnrho rau cov ntsiab lus uas muaj cov ntsiab lus nyuaj xws li paj thiab kab. Kev thaij duab macro xav tau kev tsom kom meej heev, thiab cov iav tsom iav uas tsom kom ruaj muaj qhov ntev dua thiab kev tsom kom raug siab dua, uas ua rau lawv xauv tau meej rau cov ntsiab lus me me thiab zam qhov teeb meem "hloov qhov tsom" uas feem ntau ntsib nrog cov iav zoom.

Cov iav tsom kwm kuj tseem siv tau rau kev thaij duab macro

7.Kev thaij duab khoom

Kev daws teeb meem siab thiab kev ua kom pom tseeb xim zoo heev ntawmcov iav tsom kwm ruaj khovcia kom pom tseeb thiab rov ua dua cov ntsiab lus thiab xim ntawm cov khoom. Thaum tsim cov duab, sim ntau lub kaum sab xis thiab keeb kwm yav dhau los kom pom cov yam ntxwv thiab qhov zoo ntawm cov khoom.

Tsis tas li ntawd xwb, cov iav tsom iav uas tsis txav chaw yog me me thiab tsis hnyav, ua rau lawv haum rau kev thaij duab ntev ntev hauv tes thiab yooj yim nqa, uas ua rau lawv zoo tagnrho rau kev thaij duab mus ncig.

Cov Lus Xaus:

Yog tias koj xav yuav ntau hom lens rau kev soj ntsuam, scanning, drones, smart home, lossis lwm yam kev siv, peb muaj yam koj xav tau. Tiv tauj peb hnub no kom paub ntau ntxiv txog peb cov lens thiab lwm yam khoom siv.