Fused Silica Plano Convex Lenses 

UV-grade fused silica offers high transmission in the deep UV , making it an ideal choice for applications from the UV to the near IR. In addition, UV fused silica has better homogeneity and a lower coefficient of thermal expansion than N-BK7. Specifications: Material: Fused Silica Focal Legnth Tolerance:+/-1% Diameter Tolerance:+0.0/-0.1mm Thickness Tolerance:+/-0.1mm Surface Quality:40/20,60/40 Centration:<3 arc minutes Clear Aperture:>90% Bevel: Protective bevel as needed Coating:Upon your request Realpoo Optics is a professional manufacturer of optics. Optics includes spherical lens, aspherical lens,diffraction grating and flat lens. Spherical lens such as cylindrical lens, ball lens, convex lens etc. Flat lens includes optical window and mirror. Convex lens can be offered with AR coating or without coating.