Optical cylindrical lens May 21, 2009
China Star Optics Technology Co.,Ltd.
Shenzhen Street 1-1
Cylindrical lens is used to correct astigmatism in the eye, and, in rangefinders, to produce astigmatism, stretching a point of light into a line.
We supply cylindrical lens.
Plano-convex cylindrical lens,plano-concave cylindrical lens,bi-convex cylindrical lens,bi-concave cylindrical lens,meniscus cylindrical lens,long cylindrical lens,special cylindrical lens etc..
Specifiction of our cylinderical lens as follow:
*Material BK7 or other optical materials
*Dimension Tolerance +0.0 -- -0.1mm
*Center Thickness +/-0.1mm
*Focal Length Tolerance+/-1%
*Surface Figure lambda/2 at 633nm on plano side
*Clear Aperture >90%
*Chamfer 0.25mm at 45 degree typical
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