Materical
Diameter Tolerance
Thickness Tolerance(h)
Surface Quality
Parallelism
Clear Aperture
Wavefront Distortion
Protective Bevel |
BK7 grade A optical glass
+0.0/-0.1mm
+/-0.2mm
20-10 scratch and dig
See the table
>80%
¦Ë/10 per 25mm @632.8nm
|
|
|
|
|
1' Parallelism |
10" Parallelism
|
WIN0110 |
WIN0218 |
10.0 |
6.0 |
WIN0125 |
WIN0225 |
12.7 |
6.0 |
WIN0160 |
WIN0260 |
25.0 |
6.0 |
WIN0163 |
WIN0263 |
25.4 |
6.35 |
WIN0181 |
WIN0281 |
30.0 |
6.0 |
--------------------------------------------------------------------------------------------------------------------------