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Iilensi ze-1.71 Blue Cut Spin Photochromic Gray HMC Optical
Umgangatho we-substrate umisela ukuqina kwelensi kunye nokuthembeka kwengubo. I-substrate elungileyo icacile kwaye ikhanya, ixesha elide lisetyenziswa kwaye ayilula ukuyijika ibe tyheli; Kwaye ezinye iilensi azisebenzisi ixesha elide kumthubi, okanye zivale. Ilensi elungileyo engenamikrwelo, imikrwelo, umphezulu onoboya, imingxuma, ilensi egobileyo ukuhlangabezana nokukhanya, isiphelo siphezulu kakhulu. Akukho ndawo, ilitye, umgca, iqamza, umngxuma ngaphakathi kwelensi, kwaye ukukhanya kuqaqambile.
Okukhona i-refractive index iphezulu, kokukhona ilensi incipha, kwaye ixabiso liphezulu.
