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1.59 PC Progressive Blue Cut HMC Optical arotahi
Ko nga arotahi kapia whanui nga arotahi PC he rauemi totoka wera, ara, he wai te rauemi mata, he wera ki te hanga arotahi totoka. Ko te kiriata PC e mohiotia ana ko "kiriata mokowhiti", "kiriata mokowhiti", ko te ingoa matū o te polycarbonate, he rauemi thermoplastic.
Ko te arotahi PC he pakari kaha, kaore i pakaru (2cm ka taea te whakamahi mo te karaehe mapere), no reira ka kiia ko te arotahi haumaru. Ko te taumaha motuhake mo ia henemita putorino PC he 2 karamu noa iho, koinei te mea tino maamaa e whakamahia ana mo nga arotahi i naianei. Ko te kaihanga arotahi PC ko Esilu rangatira o te ao, ka kitea ona painga i roto i te maimoatanga aspheric arotahi me te maimoatanga whakapakeke.
