... , 5. Function: Guide of the light beams e.g. Molded lens, flood lens,spot lens,Fresnel lens, Plano lens, Bi convex lens ... lens 6. Application: Lighting system, Electronics, Electrical apparatus, Industries, e.g. Lamp cover, Lamp shade, Stage lens, LED lens, Reflector lens ... , Sight lens, Front lens, Refractor, Molded lens, Spot lens, Lighting shade, Lighting cover