Biconvex Cylindrical lens

Opitcal Specification: Meterical:K9(Optical glass,Quartz glass,Infrared crystal) Design Wavelength:633nm Focus Length Tlerance:+/-2%~0.5% Radius;R0.75~5000mm Figure Dimension:5mm*5mm~200mm*120mm Dimension Tolerance:+0/-0.2mm~+0/-0.1mm Thickness Tolerance:+/-0.1mm~+/-0.02mm Surface Accuracy:2~1/8 Suiface Quality:80/50~10/5 Centration:5'~1' Clear Aperture>85%~90% Bevel:0.5mm*45°~0.2mm*45° Coating:Accroding to customer's requirement.