Prince Optical Works offers White Glass Spherical Double Convex Lens. Prince Optical Works also manufactures optical components for scientific, educational instruments, astronomical audio visual, medical, ophthalmic instruments etc. The White Glass Spherical Double Convex Lens are used for magnification and converging light so as to have a positive focal length. The White Glass Spherical Double Convex Lens is made tint plate glass. This Convex Lens is highly polished and well edged. This Convex Lens is available in sizes ranging from 50mm.