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1.59 PC Progressive Blue Cut HMC Optical arotahi
Ko ngā karāhe kapia PC he mea totoka wera, arā, he wai te rauemi mata, ka whakamahanahia hei hanga karāhe totoka. E mōhiotia ana hoki te kiriata PC ko te "kiriata ātea", "kiriata ātea", te ingoa matū o te polycarbonate, he rauemi thermoplastic.
He pakari te arotahi PC, kāore e whati (ka taea te whakamahi i te 2cm mō te karāhe ātete-matā), nō reira ka kiia hoki he arotahi haumaru. Ko te taumaha motuhake mō ia henimita pūtoru arotahi PC he 2 karamu noa iho, koinei te rauemi māmā rawa atu e whakamahia ana mō ngā arotahi i tēnei wā. Ko te kaihanga arotahi PC te Esilu matua o te ao, ko ōna painga e whakaatahia ana i roto i te maimoatanga aspheric arotahi me te maimoatanga whakapakeke.
