Detailed Product Description 1.Raw material: Borosilicate glass, Pyrex, Borofloat, Optical glass. Crystal glass2. Processing: by Molding, Grinding, Polishing3. ... Ball lens, Spherical lens, Aspheric lens, Meniscus lens,glass lens,optical lens,auto lens6. Application: Lighting system, Electronics, Electrical apparatus ... lens, Spot lens, Lighting shade, Lighting cover,glass cover,glass shade,glass sheet