Detailed Product Description

Cylindrical lens is used to correct astigmatism(散光) in the eye, and, in rangefinders, to produce astigmatism, stretching a point of light into a line.They are available in either plano concave or plano convex configurations. Plano-Concave Cylindrical lenses have a negative focal length and are used for image reduction or to spread light. Plano-Convex Cylindrical lenses have a positive focal length, which makes them ideal for collecting and focusing light for many imaging applications.

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 Quality:20/10 

*Surface Figure lambda/2 at 633nm on plano side 

*Clear Aperture >90%

*Chamfer 0.25mm at 45 degree typical 

*Coating Optional