... glass, Pyrex, Soda lime glass, Plastic glass, Optical glass. Crystal glass 2. Processing: by Molding, ... Grinding, Polishing3. Surface quality: optical surface quality and well controlled tolerance 4. Inside ... .g. Fresnel lens, Plano lens, Bi convex lens, Bi concave lens, Prism, Cylindrical lens, Ball lens, Spherical lens, Aspheric lens, Meniscus lens glass lens,ball lens6. Application: ...