Plano convex lenses, Plano concave lenses, Bi-convex lenses, Bi-concave lenses, meniscus lenses, achromatics lenses, ball lenses, aspheral lenses and cylindrical lenses Specifications: Material: Bk7, ...

2. Techniques of Optical lens: by Molding, Grinding, Polishing. 3. Shape of Optical lens: Plano lens,bi convex lens,bi concave lens, ball lens,Spherial lens. 4. Inside quality of Optical lens: clear ...