Supplier: Optical Lenses, Including Spherical Lens, Cylindrical Lens, Optical Window, Mirror, Prism, Filter, Metal Base Mirror And Precision Optical Elements. The Base Materials Include Various Optical Glass, Fused Quartz, Calcium Fluoride (caf2), Zinc Selenide (znse), Germanium (ge), Silicon (si), Sapphire, Metal And Other Materials.