-
Magalasi a 1.61 Blue Cut Spin Photochromic Gray HMC Optical
Resin ndi hydrocarbon (hydrocarbon) exudate yochokera ku zomera, makamaka mitengo ya conifers, yomwe imapangidwa ndi zinthu zina zapadera. Resin ikhoza kugawidwa m'magulu awiri a resin yachilengedwe ndi resin yopangidwa, ndipo resin lens ndi lens yomwe imapangidwa ndi kupanga mankhwala ndi kupukuta ndi resin ngati zopangira. Resin lens ili ndi ubwino woonekeratu, kulemera kwake ndi kopepuka, kovala bwino; Kachiwiri, resin lens imakhala ndi kukana kwakukulu ndipo si yofooka komanso yotetezeka; Nthawi yomweyo, resin lens ilinso ndi kufalikira kwabwino kwa kuwala; Kuphatikiza apo, resin lens ndi yosavuta kukonzedwanso kuti ikwaniritse zosowa zapadera. Pomaliza, kuphatikiza ndi luso ndi kusintha kwa njira yophikira, resin lens ilinso ndi kukana bwino kuvala, kotero akhala otchuka kwambiri mu lens pamsika.
