borosilicate glass,pyrex used as glass lens,flood lens,flashlight lens,Fresnel lens, Plano lens 1. Raw material: Borosilicate glass, Pyrex2. Processing: by Molding, Grinding, ... e.g. Molded lens, flood lens,Fresnel lens, Plano lens, Bi convex lens, Bi concave lens, Prism, Cylindrical lens, Ball lens, Spherical lens, Aspheric lens, Meniscus lens,glass lens,flashlight lens6. Application: Lighting ...