plastic material used as magnifying lens,Plano lens, Bi convex lens,concave lens, optical lens, glass lens,aspheric lens 1. Raw material: plastic material2. Processing: by pressing3. ... e.g. Fresnel lens, Plano lens, Bi convex lens, Bi concave lens, Prism, Cylindrical lens, Ball lens, Spherical lens, Optical lens, Aspheric lens, Meniscus lens,optical lens,glass lens,magnifying lens6. Application ...