... lens, Molded lens 1. Raw material: Borosilicate glass, Pyrex, Borofloat, Optical glass, Crystal glass2. Processing: by Molding, Grinding, Polishing3. Surface quality: optical surface quality and ... Fresnel lens, Plano lens, Bi convex lens, Bi concave lens, Prism, Cylindrical lens, Ball lens, Spherical lens, Aspheric lens, Meniscus lens, flat lens, round lens, Optical lens, Glass lens,Pattern lens, ...