● Thaum twg peb tuaj yeem siv tau? Muaj txhua hnub. Vim yog lub teeb xiav tsis tu ncua los ntawm lub hnub ci, cov khoom reflections, cov khoom siv hluav taws xob, thiab cov khoom siv hluav taws xob, nws yuav ua rau tib neeg lub qhov muag. Peb cov lo ntsiab muag siv cov cuab yeej siv siab tshaj plaws ntawm cov ntsiab lus xiav lub teeb tiv thaiv, raws li kev xav ntawm cov xim sib npaug kom txo cov chromatic aberration, tuaj yeem nqus tau thiab thaiv teeb meem xiav teeb (zoo thaiv UV-A, UV-B thiab lub zog xiav lub teeb) thiab rov qab los. qhov tseeb xim ntawm qhov khoom nws tus kheej.
● Ntxiv los ntawm cov txheej txheem zaj duab xis tshwj xeeb, nws tuaj yeem ua tiav hnav-tiv taus, tiv thaiv glare, tsis tshua muaj kev cuam tshuam, tiv thaiv UV, tiv thaiv lub teeb xiav, tsis muaj dej tsis zoo thiab tiv thaiv fouling, thiab HD pom kev cuam tshuam.