12 Jan 2010 Diameter Available 1.5mm-200mm
Diameter Tolerance +0/-0.05mm
Thickness Tolerance +/-0.05mm
Surface Accuracy 入/4 irregularity @632.8nm
Surface Quality 40-20 S/D
Material BK7, Fused silica Diameter Available 1.5mm--200mm
Diameter Tolerance +0/-0.05mm
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, and other optical glass
Coating AR coating | 
