Paub txog cov qauv tiv thaiv UV
Ua ntej cov khoom sau npe "UV400" lossis ua tau raws li lub teb chaws tus qauv GB 39552.1-2020. Tsis txhob raug nqi qis, tsis zoo lo ntsiab muag (uas yuav ua rau cov menyuam kawm ntawv dilation vim lub teeb kis tau tus mob tsawg, yog li ua rau UV raug).
Lens Hom Xaiv
Kev mus ncig txhua hnub / tsav tsheb: Polarized + UV400 lo ntsiab muag (pom zoo nrog "P" cim)
Lub teeb- xim lo ntsiab muag (Qeb 0-1): Tsim nyog rau qhov chaw qis qis lossis kev sib koom ua ke zam
Tsaus- lo ntsiab muag xim (Qeb 4): Tsuas yog siv rau hauv qhov chaw muaj teeb pom kev zoo (xws li ntug hiav txwv dej lossis chaw daus), tsis haum rau txhua hnub - hnav
Lub sijhawm siv
Pom zoo: Thaum UV Performance index Ntau dua lossis sib npaug rau 3 (tuaj yeem kuaj xyuas ntawm huab cua apps)
Zam: tsaus ntuj, sab hauv tsev, saib yeeb yaj kiab, thiab lwm yam tsawg - teeb pom kev zoo los tiv thaiv qhov muag
Hloov lub voj voog
UV tiv thaiv txheej ntawm lo ntsiab muag yuav degrade raws sijhawm. Nws raug nquahu kom hloov lawv txhua 1-2 xyoos, txawm tias lawv zoo nkaus li zoo.
