Available Lens Products: Spherical Lenses, Cylindrical Lenses and Micro Lenses, includes Plano Convex Lens, Plano Concave Lens, Biconvex Lens, Biconcave Lens, Achromatic Lens, Ball Lens, Hemispherical Lens, C Lens *****Spherical Lens Specifications:Material: ………………………………BK7,...