Dab tsi yog Lub Lens Distortion-Free? Common Applications Of Distortion-Free Lenses

Dab tsi yog lub lens tsis muaj kev cuam tshuam?

Lub lens tsis muaj distortion, raws li lub npe qhia, yog lub lens uas tsis muaj cov duab distortion (distortion) hauv cov duab ntes los ntawm lub lens. Nyob rau hauv qhov tseeb optical lens tsim txheej txheem,lenses tsis distortionnyuaj heev kom ua tiav.

Tam sim no, ntau hom lo ntsiab muag, xws liwide-angle lo ntsiab muag, telephoto lo ntsiab muag, thiab lwm yam, feem ntau muaj qee qhov kev cuam tshuam ntawm lawv cov kev tsim kho.

Piv txwv li, nyob rau hauv dav-angle lo ntsiab muag, feem ntau distortion yog "lub hauv ncoo zoo li tus" distortion nrog ntug expansion los yog "lub thoob zoo li" distortion nrog nruab nrab magnification; Nyob rau hauv telephoto lo ntsiab muag, distortion yog manifested raws li "lub thoob zoo li" distortion nrog sab hauv khoov ntawm cov duab ntug los yog "lub hauv ncoo zoo li" distortion nrog central contraction.

Txawm hais tias nws nyuaj rau ua tiav lub lens tsis muaj kev cuam tshuam, cov koob yees duab digital tam sim no tuaj yeem kho lossis txo qhov cuam tshuam los ntawm cov software tsim los lossis kev hloov kho tom qab tsim khoom. Daim duab uas tus kws yees duab pom tau yog kwv yees li qhov sib npaug tsis muaj kev cuam tshuam.

kev hlub tsis muaj tseeb-01

Lub lens tsis muaj distortion

Dab tsi yog cov kev siv feem ntau ntawm cov lo ntsiab muag tsis muaj distortion?

Lens tsis muaj kev cuam tshuamtuaj yeem muab cov txiaj ntsig zoo, muaj txiaj ntsig zoo thiab tau siv dav hauv ntau qhov chaw. Cia wb mus saib qee qhov kev siv cov xwm txheej ntawm cov lo ntsiab muag tsis muaj kev cuam tshuam:

PortraitPhotography

Cov lo ntsiab muag tsis muaj kev cuam tshuam tuaj yeem zam kev cuam tshuam ntawm cov duab ntawm tib neeg lub ntsej muag, tshwj xeeb tshaj yog thaum tua cov duab ze nrog cov nyhuv peb sab. Cov lo ntsiab muag tsis muaj kev cuam tshuam tuaj yeem kho qhov tseeb ntawm tib neeg lub ntsej muag, ua rau cov duab zoo dua qub thiab raug.

Architectural Photography

Thaum thaij duab cov tuam tsev, siv lub lens tsis muaj kev cuam tshuam tuaj yeem tiv thaiv cov kab ntawm lub tsev los ntawm kev khoov, ua rau cov kab ncaj nraim hauv daim duab ntau dua thiab zoo meej. Tshwj xeeb tshaj yog thaum tua cov tsev siab, txuas hniav thiab lwm lub tsev, cov nyhuv zoo dua thaum siv lub lens tsis muaj kev cuam tshuam.

Sports Photography

Rau kev sib tw ua kis las, cov lo ntsiab muag tsis muaj kev cuam tshuam tuaj yeem ua kom ntseeg tau tias cov neeg ncaws pob thiab cov chaw hauv daim duab yog nyob rau hauv qhov tseeb proportions thiab muaj cov duab zoo meej, thiab tuaj yeem zam qhov tsis pom kev pom tshwm sim los ntawm lub lens distortion.

kev hlub tsis muaj tseeb-02

Kev siv cov lo ntsiab muag tsis muaj distortion

Kev lag luamAkev tshaj tawm

Thaum tua cov khoom tshaj tawm, siv adistortion-dawb lenstuaj yeem xyuas kom meej tias cov duab ntawm cov khoom raug tso tawm kom raug yam tsis muaj kev cuam tshuam. Rau cov duab uas yuav tsum tau qhia cov ntsiab lus ntawm cov khoom, kev ntxhib los mos, thiab lwm yam, kev tua nrog lub lens tsis muaj kev cuam tshuam muaj txiaj ntsig zoo, ua rau cov neeg siv khoom nkag siab zoo dua cov khoom nta.

Geographic Mapping thiab Chaw Taws Teeb Pom Kev

Hauv thaj chaw ntawm thaj chaw daim duab qhia chaw thiab chaw taws teeb pom kev, qhov tseeb ntawm cov duab yog qhov tseem ceeb tshwj xeeb. Lub lens tsis muaj kev cuam tshuam tuaj yeem ua kom ntseeg tau tias qhov chaw ntes, av thiab lwm yam ntaub ntawv yuav tsis raug deformed lossis distorted vim lub lens distortion, kom ntseeg tau qhov tseeb ntawm daim duab.

ScienceRtshawb nrhiav

Hauv qee qhov kev tshawb fawb txog kev tshawb fawb uas xav tau cov duab zoo heev, cov lo ntsiab muag tsis muaj kev cuam tshuam kuj tseem siv tau los ua cov cuab yeej tseem ceeb los soj ntsuam thiab sau cov xwm txheej thiab cov ntaub ntawv thaum lub sij hawm sim kom paub tseeb tias qhov tseeb ntawm qhov kev sim.


Post lub sij hawm: Feb-23-2024