... glass lens 2. Plano,Convex,Concave lens,magnifier lens 3.Light and Optics 4.Polished 5.Optical quality Optical glass lens for ... Light and optics 1) Material optical glass lens: Optical glass ,Pyrex ... Grinding, Polishing3) Quality of Optical glass lens : High surface quality and transimission4) Series of Optical glass lens:Including Fresnel lens,Plano ...