الوصف

optical cylindrical lens/plano-convex cylindrical lens/rod lens Cylindrical lenses are used to correct astigmatism in the eye and in rangefinders, to produce astigmatism, stretching a point of light into a line. Some styles of cylindrical lenses have antireflective coatings to increase the transmission of light through the lens. We supply kinds of plano-convex cylindrical lens, plano-concave cylindrical lens, bi-convex cylindrical lens, bi-concave cylindrical lens, meniscus cylindrical lens, Rod cylindrical lenses, special cylindrical lens , Specification of our cylinderical lens as follow: *Material: BK7, Ge, UV-grade fuse silica(JGS1, JGS2, JGS3)or other optical materials *Dimension Tolerance: *0.0 *- *0.1mm *Center Thickness: +/*0.1mm *Focal Length Tolerance: +/*1% *Surface Quality:*0/*0 *Surface Figure: lambda/2 at **3nm on plano side *Clear Aperture>*0% *Chamfer: 0.*5mm at *5 degree typical *Coating Optional