| 出生地 |
Jiangsu China (Mainland) |
Biconvex lenses can get shorter focal length, use for focusing parallel rays of light to a point. Apply to laser systems, illumination systems and other specification. Specification: MaterialCrown glass, high index glass, or custom materialsfocal length+/-2%Diameter+0.0/-0.2Center thickness+/-0.1Centering Accuracy3'Figure (sphericity)1 5Surface Quality60/40Coatingoptional