Dimension Tolerance:        +0.0, -0.1mm

Thickness Tolerance:         ±0.2mm

Clear Aperture:                 >80%

Parallelism:                       1arc minute

Surface Quality:                80/50 scratch and dig

Wavefront Distortion:         L per 25mm @633mm

Bevel:                              <0.25mm x 45°

Part No.	F (mm)	T (mm)	Price
WIN3001	8	0.5	$11
WIN3002	12.7	1	$12
WIN3003	25	1	$27
WIN3004	30	2	$40