-
Lilense tsa Optical tsa HMC tse tsoetseng pele tsa PC tse 1.59 Progressive Photochromic Gray
Lense e fetolang 'mala e thehiloe molao-motheong oa tautometry ea photochromatic e ka fetoloang, lense e ka fifala kapele tlas'a khanya e matla le khanya ea ultraviolet, ea thibela khanya e matla le ho monya khanya ea ultraviolet; Kamora ho khutlela lefifing, lense e khutlisa boemo bo se nang 'mala le bo bonaletsang kapele ho netefatsa hore lense e fetisa. Ka hona, lense e fetolang 'mala e loketse haholo bakeng sa tšebeliso ea ka tlung le kantle, haholo-holo tikolohong ea kantle ho thibela khanya e matla, ultraviolet, khanya e phatsimang le tšenyo e 'ngoe mahlong, e loketse kantle haholo, mahlo a utloang bohloko ke ho hlasimoloha ha khanya, a fokotsa mokhathala oa mahlo. Kamora ho roala likhalase tse fetolang 'mala, u tla bona ka tlhaho le ka boiketlo tlas'a khanya e matla, qoba metsamao e lefellang joalo ka ho shebisisa mahlo, le ho fokotsa mokhathala oa mahlo le mesifa e potileng mahlo.
