Makapu a PC Pa Magalasi 5 Mu 1 T5252209

Lens ya utomoni ndi mtundu wa ma lens owoneka bwino opangidwa ndi utomoni ngati zopangira, zomwe zimakonzedwa, kupangidwa ndikupukutidwa ndi ndondomeko yeniyeni yamankhwala. Nthawi yomweyo, utomoni ukhoza kugawidwa mu utomoni wachilengedwe ndi utomoni wopangira.

Ubwino wa magalasi a utomoni: kukana mwamphamvu, kosavuta kuthyoka, kufalikira kwabwino kwa kuwala, index yotsika kwambiri, kulemera kopepuka komanso mtengo wotsika.

Ma lens a PC ndi mtundu wa mandala omwe amapangidwa ndi kutentha kwa polycarbonate (thermoplastic material). Nkhaniyi imapangidwa kuchokera ku mlengalenga, choncho imatchedwanso filimu yamlengalenga kapena filimu yamlengalenga. Popeza utomoni wa PC ndi chinthu cha thermoplastic chokhala ndi zinthu zabwino kwambiri, ndiyoyenera kupanga magalasi owonera.

Ubwino wa magalasi a PC: 100% cheza cha ultraviolet, palibe chikasu mkati mwa zaka 3-5, kukana kwamphamvu kwambiri, chiwonetsero chachikulu cha refractive, mphamvu yokoka yeniyeni (37% yopepuka kuposa mapepala wamba a utomoni, ndipo kukana kwake ndikokwera kwambiri ngati mapepala wamba) 12 nthawi utomoni!)