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  • 1.56 Semi Finished Progressive photo grey Optical Lens

    1.56 Semi Finished Progressive photo grey Optical Lens

    Ma lens refractive index ndi apamwamba, magalasi ocheperako, kuchuluka kwa kachulukidwe, kuuma komanso bwinoko, m'malo mwake, m'munsimu index ya refractive, yokulirapo ya mandala, yocheperako, kuuma kumakhalanso kosauka, magalasi ambiri olimba kwambiri, kotero refractive index nthawi zambiri imakhala pafupifupi 1.7, ndipo kuuma kwa filimu ya utomoni kumakhala kocheperako, index ya refractive ndiyotsika, kagawo kakang'ono pamsika pakali pano ndiye index yodziwika bwino ya 1.499 kapena kupitilira apo, Zabwino pang'ono ndi mtundu wowonda kwambiri, yomwe ili ndi refractive index ya 1.56 ndipo imagwiritsidwanso ntchito kwambiri.