China Star Optics could manufacture kinds of optical lenses, such as cylindrical lens, aspherical lens, spherical lens, achromatic lens, wedge prism, prisms, filter, windows, mirror, reflector, grating etc.
Specification of our normal lens as follow:
*Material BK7 or other optical materials
*Dimension Tolerance +0. 0~-0. 1mm
*Center Thickness +/-0. 1mm
*Focal Length Tolerance+/-1%
*Surface Quality: 20/10
*Surface Figure λ/2 at 633nm on plano side
*Clear Aperture > 90%
*Chamfer 0. 25mm at 45 degree typical
*Coating Optional
We also could manufacture your lens as requested.

