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Member Since 12 Years
Nature of Business Supplier Year of Establishment 2008Ask for more detail from the seller
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Cylindrical lens is used to correct astigmatism 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:2010
*surface figure lambda2 at 633nm on plano side
*clear aperture >90%
*chamfer 0.25mm at 45 degree typical
*coating optional
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