Achromatic Lens

Specification Diameter 2-150mm Diameter Tolerance +0/-0.1mm Thickness Tolerance +/-0.15mm Focal length Tolerance +/-2%mm Centration 90% Material Optical glass such as K9, fused silica, calcium fluoride, germanium, silicon and etc. Coating Specified by Customers For more info, please visit http://www.betteroptics1.com