1,Cov iav tsom kab puas siv tau ua cov iav koob yees duab?
Cov tsom iav luam theej kabfeem ntau tsis haum rau kev siv ncaj qha ua lub koob yees duab lens. Rau kev xav tau kev thaij duab thiab video dav dav, koj tseem yuav tsum xaiv lub koob yees duab lens tshwj xeeb.
Feem ntau cov iav tsom iav yuav tsum muaj ntau yam kev ua haujlwm pom kev zoo thiab kev hloov pauv kom haum rau qhov xav tau ntawm kev thaij duab ntau hom duab hauv ntau qhov xwm txheej sib txawv. Kev tsim qauv thiab kev ua haujlwm ntawm cov iav tsom iav kab feem ntau yog siv rau hauv cov haujlwm tshaj lij xws li kev tshuaj xyuas kev lag luam, kev pom kev tshuab thiab kev ua duab, thiab tsis yog siv rau kev thaij duab dav dav lossis kev siv video.
Tom ntej no, cia peb saib qhov sib txawv tseem ceeb ntawm cov koob yees duab lens thiab cov kab scan lens:
Qhov Ntev Focal thiab Qhov Tob ntawm Field
Cov tsom iav ntawm lub koob yees duab feem ntau muaj qhov ntev focal luv dua thiab qhov tob dua ntawm daim teb, uas tsim nyog rau kev thaij duab hauv ntau qhov xwm txheej, suav nrog cov khoom, tib neeg, toj roob hauv pes, thiab lwm yam; cov tsom iav kab scan feem ntau yog tsim nrog qhov ntev focal tshwj xeeb thiab qhov deb ua haujlwm rau cov ntawv thov tshuaj xyuas kev lag luam tshwj xeeb.
Kev thaij duab toj roob hauv pes
Qhov zoo ntawm daim duab
Cov iav ntawm lub koob yees duab feem ntau yog tsim los rau kev thaij duab siab, nrog rau kev thaij duab zoo thiab muaj peev xwm ua kom muaj xim zoo dua;cov iav tsom kabtsom mus rau qhov kev daws teeb meem siab, qis kev cuam tshuam thiab kev thaij duab sai, feem ntau ua tau raws li qhov xav tau ntawm kev tshuaj xyuas kev lag luam thiab kev ua cov duab.
Kev kho qhov qhib
Cov iav tsom iav feem ntau muaj qhov qhib uas hloov kho tau los tswj qhov ntau ntawm lub teeb nkag mus thiab qhov tob ntawm daim teb; cov iav tsom iav kab feem ntau tsis tas yuav hloov kho qhov qhib vim tias lawv cov xwm txheej siv feem ntau xav tau cov xwm txheej teeb pom kev zoo thiab qhov tob ntawm lub lens.
Tshwj xeebfcov yam ntxwv
Cov iav tsom iav yuav tsum muaj cov haujlwm tshwj xeeb xws li tiv thaiv kev co, tsom mus rau qhov ceev, tiv thaiv dej thiab tiv thaiv plua plav kom hloov kho rau ntau qhov chaw tua thiab cov kev xav tau tua; cov iav tsom iav feem ntau tsis xav tau cov haujlwm tshwj xeeb no, thiab lawv cov qauv tsim yuav tsom mus rau cov xwm txheej siv hauv kev lag luam tshwj xeeb.
2,Cov nyhuv ntawm kev thaij duab ntawm lub lens kab scan yog dab tsi?
Cov teebmeem ntawm kev thaij duab ntawm lub lens kab scan muaj feem cuam tshuam nrog nws cov qauv tsim, qhov zoo ntawm lub lens, thiab lub sensor thaij duab, thiab tej zaum yuav raug cuam tshuam los ntawm cov hauv qab no:
Nyob rau hauv cov nqe lus ntawm cov duab zoo
Qhov zoo ntawm cov duab ntawm lub lens scan kab feem ntau cuam tshuam los ntawm kev tsim kho qhov muag thiab cov khoom siv zoo ntawm lub lens.lens luam theej kabtuaj yeem muab cov duab meej, ntse, tsis muaj kev cuam tshuam thiab rov ua dua cov ntsiab lus ntawm tus neeg. Piv txwv li, lub lens tsis zoo yuav muaj teeb meem xws li kev hloov pauv thiab kev cuam tshuam, uas yuav txo qhov zoo ntawm cov duab.
Cov ntsiab lus ntawm kev tua phom
Nyob rau hauv cov nqe lus ntawm kev daws teeb meem
Cov iav tsom kab feem ntau muaj qhov kev daws teeb meem siab dua thiab tuaj yeem ntes cov duab nrog cov ntsiab lus nplua nuj. Cov iav tsom uas muaj qhov kev daws teeb meem siab dua tuaj yeem muab cov duab zoo dua thiab tsim nyog rau cov ntawv thov uas xav tau cov khoom me me lossis kev ntsuas siab; cov iav tsom uas muaj qhov kev daws teeb meem qis dua tuaj yeem ntes cov duab tsis meej thiab poob qee cov ntsiab lus.
Nyob rau hauv cov nqe lus ntawm suab nrov thiab dynamic range
Lub suab nrov thiab qhov sib txawv ntawm lub lens scan kab ncaj qha cuam tshuam rau qhov zoo ntawm daim duab. Lub lens scan kab zoo tuaj yeem muab cov duab tsis muaj suab nrov nrog qhov sib txawv loj, khaws cov ntsiab lus hauv ob qho tib si qhov tseem ceeb thiab qhov ntxoov ntxoo, kom ntseeg tau tias qhov tseeb thiab qhov tseeb ntawm daim duab.
Nyob rau hauv cov nqe lus ntawm clarity
Qhov pom tseeb ntawm lub lens scan kab yog cuam tshuam nrog cov yam xws li qhov ntev ntawm lub lens, qhov deb ntawm cov khoom uas hloov tau, thiab qhov ceev ntawm cov khoom txav mus los. Los ntawm kev kho qhov ntev ntawm lub lens thiab qhov deb ntawm cov khoom, kev thaij duab meej ntawm cov khoom ntawm qhov deb sib txawv tuaj yeem ua tiav. Tsis tas li ntawd, rau cov khoom txav mus los sai, lub lens scan kab yuav tsum muaj tus yam ntxwv teb sai kom tsis txhob muaj kev txav mus los tsis meej.
Nyob rau hauv cov nqe lus ntawm cov xim reproduction
Lub peev xwm tsim cov xim ntawm cov iav ntsuas kab yog qhov tseem ceeb heev rau qee qhov kev siv, xws li kev lag luam luam ntawv, kev kho mob duab, thiab lwm yam. Zoo heevlens luam theej kabtuaj yeem kho qhov xim thiab cov ntsiab lus xim ntawm yam khoom uas raug thaij duab kom raug.
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.
Lub sijhawm tshaj tawm: Lub Kaum Hli-22-2024
