Plano Convex
Diameter Available 1.5mm – 200mm
Diameter |Tolerance 0/-0.02mm
Thickness Tolerance /-0.02mm
Focal Length Tolerance /-1%
Surface Accuracy L/4 irregularity @632.8nm
Surface Quality 20-10 SD
Centration <3 arc min
Clear Aperture >90%
Bevel Protective bevel
Material BK7,
AR coating and BBAR