Meniscus Lens
Diameter Available 2mm – 120mm
Diameter |Tolerance 0/-0.05mm
Thickness Tolerance /-0.05mm
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, SF11 other optical glass
AR coating and BBAR