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1.59 PC Progressive Blue Hlais HMC Optical lo ntsiab muag
PC lens dav resin lo ntsiab muag yog cov khoom siv kub, uas yog, cov khoom siv raw yog kua, rhuab los ua cov khoom lo ntsiab muag. PC zaj duab xis tseem hu ua "qhov chaw zaj duab xis", "qhov chaw zaj duab xis", lub npe tshuaj ntawm polycarbonate, yog cov khoom siv thermoplastic.
PC lo ntsiab muag muaj ib tug muaj zog toughness, tsis tawg (2cm yuav siv tau rau mos mos iav), yog li nws tseem hu ua kev ruaj ntseg lens. Qhov tshwj xeeb lub ntiajteb txawj nqus ib cubic centimeter PC lens tsuas yog 2 grams, uas yog cov khoom siv lightest siv rau lo ntsiab muag tam sim no. PC lens chaw tsim tshuaj paus yog lub ntiaj teb no ua Esilu, nws qhov zoo yog xav txog nyob rau hauv lub lens aspheric kho thiab hardening kho.
