12 Jan 2010 Diameter Available 3mm--50mm
Size tolerance:+/-0.05mm
Focal Length Tolerance ±1%
Surface Accuracy 入/4 irregularity @632.8nm
Surface Quality 40-20
Material BK7, Quartz,SF11
Coating AR coating Diameter Available 3mm--50mm
Diameter Tolerance +0/-0.5mm
Thickness Tolerance +/-0.05mm
Focal Length Tolerance ±1%
Surface Accuracy 入/4 irregularity @632.8nm
Surface Quality 40-20 S/D
Centration <3 arc min
Clear Aperture >90%
Bevel Protective bevel
Material BK7,Fused silica,Quartz,SF11, and other optical glass
Coating AR coating |