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1.59 polycarbonate HMC Optical lionsan
Is e stuthan cruaidh teirmeach a th’ ann an lionsan roisinn coitcheann, is e sin, tha na stuthan amh leaghan, agus bidh lionsan cruaidh air an cruthachadh às deidh teasachadh. Is e stuth thermoplastic a th’ ann an lionsan PC, ris an canar cuideachd “space lenses”, “cosmic lenses”, ris an canar polycarbonate gu ceimigeach.
