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1.56 I-Semi Finished Progressive photo grey Optical Lens
I-lens refractive index iphakeme, ama-lens azacile, ubukhulu obukhulu, ubulukhuni futhi bungcono, kunalokho, i-refractive index iphansi, i-lens ishubile, i-density encane, ukuqina nakho kumpofu, ingilazi evamile yokuqina okuphezulu, ngakho-ke inkomba ye-refractive ngokuvamile iba cishe ku-1.7, futhi ubulukhuni befilimu ye-resin bumpofu, inkomba ye-refractive iphansi uma kuqhathaniswa, ucezu lwe-resin emakethe njengamanje luyinkomba ye-refractive evame kakhulu engu-1.499 noma ngaphezulu, Ingcono kancane inguqulo ye-ultra-thin, enenkomba ye-refractive ezungeze u-1.56 futhi isetshenziswa kakhulu.
