plastic material used as magnifying lens,Plano lens, Bi convex lens, ... lens, optical lens, glass lens,aspheric lens 1. Raw material: plastic material2. Processing: by pressing3. Surface quality: optical surface quality and ... convex lens, Bi concave lens, Prism, Cylindrical lens, Ball lens, Spherical lens, Optical lens, Aspheric lens, Meniscus lens,optical lens,glass ...