Lublub lens dav davmuaj lub kaum sab xis dav thiab tuaj yeem ntes tau ntau yam duab, yog li cov khoom nyob ze thiab deb tuaj yeem tso tawm hauv daim duab, ua rau daim duab thaij tau nplua nuj dua thiab muaj ntau txheej, thiab muab kev nkag siab rau tib neeg.

Lub lens wide-angle puas tuaj yeem thaij duab ntev?

Cov tsom iav dav dav tsis haum rau kev thaij duab ntev. Nws lub luag haujlwm tseem ceeb yog thaij duab dav dua hauv qhov chaw me me, yog li cov tsom iav dav dav feem ntau siv los thaij duab toj roob hauv pes, vaj tse, duab sab hauv tsev thiab duab pab pawg, thiab lwm yam.

Yog tias koj xav tau thaij duab ntev, nws yuav tsim nyog dua los siv lub lens telephoto, vim tias cov lens no tuaj yeem coj cov khoom nyob deb los ze dua thiab ua rau cov khoom ntawm lub vijtsam zoo li loj dua thiab meej dua.

Lub lens dav dav

Cov yam ntxwv ntawm kev thaij duab ntawm lub lens dav dav

Lub lens dav dav yog lub lens uas luv dua qhov ntev focal. Nws feem ntau muaj cov yam ntxwv hauv qab no:

Haum rau kev thaij duab ze ze

Vim yog lub kaum sab xis davlub lens dav dav, nws ua tau zoo dua thaum tua cov yam ze: cov yam ze yuav pom tseeb dua thiab tuaj yeem tsim cov duab peb-seem thiab cov txheej txheem.

Cov nyhuv ncab ntawm lub zeem muag

Lub lens dav dav ua rau muaj qhov cuam tshuam ntawm kev nthuav dav ntawm lub zeem muag, ua rau sab ze loj dua thiab sab deb me dua. Qhov ntawd yog, cov khoom pem hauv ntej uas thaij nrog lub lens dav dav yuav zoo li loj dua, thaum cov khoom tom qab yuav zoo li me dua. Qhov no siv tau los qhia qhov deb ntawm cov duab ze thiab deb, tsim kom muaj qhov pom tshwj xeeb.

Cov teebmeem pom kev loj heev

Siv lub lens dav dav tuaj yeem thaij tau qhov pom dav dua thiab thaij tau ntau yam xwm txheej thiab cov ntsiab lus. Qhov no ua rau cov lens dav dav feem ntau siv los thaij duab toj roob hauv pes, tsev, sab hauv tsev thiab lwm yam xwm txheej uas xav tau qhov chaw dav.

Cov yam ntxwv ntawm kev tua duab ntawm lub lens dav dav

Qhov tob ntawm daim teb loj

Piv rau cov tsom iav telephoto, cov tsom iav dav dav muaj qhov tob ntawm thaj chaw loj dua. Qhov ntawd yog: nyob rau hauv tib lub qhov aperture thiab focal ntev, lub tsom iav dav dav tuaj yeem tswj tau qhov tseeb ntawm qhov chaw, ua rau tag nrho daim duab zoo li meej dua.

Yuav tsum nco ntsoov tias vim yog cov yam ntxwv ntawm lub kaum sab xis dav, cov npoo ntawmcov iav dav davtej zaum yuav raug cuam tshuam thiab ncab thaum thaij duab. Koj yuav tsum tau ua tib zoo kho qhov sib xyaw thiab zam kom tsis txhob muaj cov ntsiab lus tseem ceeb tshwm sim ntawm ntug.

Lub tswv yim kawg:

Los ntawm kev ua haujlwm nrog cov kws tshaj lij ntawm ChuangAn, ob qho tib si tsim thiab tsim khoom yog ua los ntawm cov kws ua haujlwm txawj ntse. Raws li ib feem ntawm cov txheej txheem yuav khoom, tus neeg sawv cev ntawm lub tuam txhab tuaj yeem piav qhia ntxiv txog cov ntaub ntawv tshwj xeeb txog hom lens uas koj xav yuav. ChuangAn cov khoom siv lens siv rau ntau yam kev siv, los ntawm kev saib xyuas, kev luam theej duab, drones, tsheb mus rau cov tsev ntse, thiab lwm yam. ChuangAn muaj ntau hom lens tiav lawm, uas kuj tuaj yeem hloov kho lossis kho raws li koj xav tau. Tiv tauj peb sai li sai tau.