Diameter Available

3mm--150mm

Diameter Tolerance

+0/-0.5mm

Thickness Tolerance

+/-0.05mm

Focal Length Tolerance

±1%

Surface Accuracy

L/4 irregularity at 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