... , LED lens, Sight lens, Front lens, Molded lens, Spot lens 1. Raw material: Borosilicate glass, Pyrex, Borofloat, Optical glass, Crystal glass2. Processing: by ... lens, Sight lens, Front lens, Refractor, Molded lens, Spot lens, Lamp cover, Lamp shade, Lighting shade, Lighting cover, glass cover, glass shade, glass sheet.