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, distortion-dawb lo ntsiab muag yog heev nyuaj rau ua. Tam sim no, ntau hom ...
1.Dab tsi yog qhov nqaim band lim? Cov lim dej yog cov khoom siv kho qhov muag siv los xaiv cov kab hluav taws xob xav tau. Cov ntxaij lim dej nqaim yog ib hom bandpass lim uas tso cai rau lub teeb nyob rau hauv ib qho kev sib tw wavelength kom kis tau nrog lub teeb ci siab, thaum lub teeb nyob rau hauv lwm qhov wavelength ranges yuav absorbed ...
M8 thiab M12 lo ntsiab muag yog dab tsi? M8 thiab M12 xa mus rau hom mount qhov ntau thiab tsawg siv rau lub koob yees duab me me lo ntsiab muag. Lub lens M12, tseem hu ua S-mount lens lossis board lens, yog hom lens siv hauv cov koob yees duab thiab CCTV systems. Lub "M12" yog hais txog lub mount xov loj, uas yog 12 hli inch. M12 Lens Cov...
Telecentric lens yog hom optical lens, tseem hu ua TV lens, lossis telephoto lens. Los ntawm kev tsim lub lens tshwj xeeb, nws qhov focal ntev yog qhov ntev, thiab lub cev ntev ntawm lub lens feem ntau me dua qhov ntev focal. Cov yam ntxwv yog tias nws tuaj yeem sawv cev deb ntawm cov khoom ...
Kev lag luam lo ntsiab muag tau dav siv nyob rau hauv kev lag luam teb thiab yog ib qho ntawm ntau hom lens. Ntau hom kev lag luam lo ntsiab muag tuaj yeem xaiv raws li qhov xav tau sib txawv thiab daim ntawv thov scenarios. Yuav ua li cas cais cov lo ntsiab muag industrial? Kev lag luam lo ntsiab muag tuaj yeem muab faib ua ntau hom acc ...