Specifications:
Material: BK7,optical glass,fused silica,Germanium,silica,CaF2
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 and cylindrical lens can be offered with AR coating or without coating.
