Note:
Tighter tolerances can be achieved
for an increased cost.

Width (power direction): 

Center thickness: 

Radius: 

Focal length: 

Surface figure
    • Length:
    • Width: 

Surface quality:

Wedge:

+- / -0.10mm

+/- 0.15mm

+/- 0.20%

+/- 0.25%

(max. irr. @ 633nm)
1/4-wave per 10mm
1/2-wave

60/40

0.025mm maximum edge
thickness difference