Cov Yam Ntxwv Thiab Cov Xwm Txheej Siv Tau Ntawm Varifocal Lens Thiab Fixed Focus Lens

Thaum nws los txog raucov iav ntau yam, peb tuaj yeem paub los ntawm nws lub npe tias qhov no yog lub lens uas tuaj yeem hloov qhov ntev ntawm lub lens, uas yog lub lens uas hloov cov duab thaij los ntawm kev hloov qhov ntev ntawm lub lens yam tsis txav lub cuab yeej.

Ntawm qhov tod tes, lub lens tsom teeb yog lub lens uas tsis tuaj yeem hloov qhov ntev ntawm lub lens, thiab yog tias koj xav tau hloov qhov kev thaij duab, koj yuav tsum txav qhov chaw ntawm lub koob yees duab tes.

1,Cov yam ntxwv ntawmvarifocallub lens thiabtsom ntsoov ruaj khovlub lens

Peb tuaj yeem pom cov yam ntxwv ntawm varifocal lens thiab fixed focus lens los ntawm lub npe, thiab saib cov yam ntxwv tshwj xeeb:

(1)Cov yam ntxwv ntawmvarifocallub lens

A. Qhov ntev ntawm lub lens tuaj yeem hloov pauv tau, ib lub lens muab ntau yam qhov ntev ntawm lub lens, tuaj yeem hloov kho rau ntau yam kev xav tau tua duab;

B. Cov qauv tag nrho yog qhov nyuaj, suav nrog ntau pawg lens, lens feem ntau loj, loj heev;

C. Qhov loj ntawm lub qhov (Aperture) feem ntau me me, uas ua rau txo qhov muaj peev xwm tua duab hauv qhov chaw uas tsis muaj teeb pom kev zoo;

D. Vim yog qhov tsim ntawm lub lens nyuaj, nws yuav cuam tshuam rau qhov meej thiab qhov ntse ntawm daim duab;

E. Kev hloov qhov ntev ntawm lub lens ncaj qha tshem tawm qhov xav tau hloov lens thiab txo cov hmoov av thiab av qias neeg uas tau los ntawm kev hloov lens.

Lub lens varifocal

(2)Cov yam ntxwv ntawmtsom ntsoov ruaj khovlub lens

A. Tsuas yog qhov ntev focal ruaj khov xwb, kho qhov ntev focal tsuas yog tuaj yeem txav mus los ntawm tes;

B. Cov qauv yooj yim heev, nrog tsawg lub lens, sib dua, thiab me dua;

C. Muaj peev xwm muaj qhov qhib loj dua thiab tua tau hauv qhov chaw tsaus ntuj;

D.Vim nws cov qauv yooj yim, cov duab feem ntau pom tseeb dua thiab ntse dua.

Lub lens tsom xam ruaj khov

2,Cov xwm txheej siv tau rauvarifocalcov iav thiabtsom ntsoov ruaj khovcov iav

Cov yam ntxwv ntawmcov iav ntau yamthiab cov iav tsom kwm ruaj khov txiav txim siab lawv cov xwm txheej sib txawv siv tau:

(1)Cov xwm txheej siv tau rauvarifocalcov iav

A. Rau kev mus ncigTsuas yog ib lub lens varifocal xwb txaus rau feem ntau cov kev xav tau.

B. Rau kev thaij duab tshoob kos: Haum rau cov chaw thaij duab ceev ceev uas xav tau ntau qhov ntev ntawm lub lens.

C. Siv rau kev tshaj tawm cov duabPiv txwv li, nyob rau hauv cov xwm txheej xws li kev thaij duab xov xwm uas xav tau kev teb sai rau ntau yam xwm txheej,cov iav ntau yamtuaj yeem hloov pauv sai sai kom tau raws li qhov xav tau tua.

Rau kev thaij duab tshoob kos

(2)Cov xwm txheej siv tau rautsom ntsoov ruaj khovcov iav

A. Rau kev thaij duab khoom: Lub lens tsom teeb tsa tau zoo dua tuaj yeem ua kom lub teeb ci zoo dua thiab tswj tau qhov zoo ntawm daim duab thaum thaij duab tseem.

B. Rau kev thaij duab ntawm txoj kevSiv lub lens tsom teeb tsa kom tus kws thaij duab txav mus los ntau dua thiab muaj peev xwm nrhiav qhov chaw thiab lub kaum sab xis zoo.

C. Rau kev thaij duab muaj tswv yimXws li kev thaij duab portrait, kev thaij duab toj roob hauv pes, thiab lwm yam, tuaj yeem tsim qhov tob ntawm daim teb zoo los ntawm lub qhov loj.

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.