Material: Bk7, Fused Silica, Sapphire and etc.
Specifications
| Material |
Bk7,
(other material upon request) |
| Diameter
tolerance |
-0.005/+0.005
|
| Ellipitical |
-0.003/+0.003 |
| Fringes
irrigularity |
¦Ë/4@632.8 |
| Surface
Quality: |
60-40
scratch and dig |
| Coating |
No |
Product list
|
Diameter (mm)
|
Diameter (mm)
|
|
3.0
|
22.0
|
|
4.0
|
23.0
|
|
5.0
|
24.0
|
|
6.0
|
25.0
|
|
7.0
|
26.0
|
|
8.0
|
27.0
|
|
9.0
|
28.0
|
|
10.0
|
29.0
|
|
11.0
|
30.0
|
|
12.0
|
31.0
|
|
13.0
|
32.0
|
|
14.0
|
33.0
|
|
15.0
|
34.0
|
|
16.0
|
35.0
|
|
17.0
|
36.0
|
|
18.0
|
37.0
|
|
19.0
|
38.0
|
|
20.0
|
39.0
|
|
21.0
|
40.0
|
Note: Special material and size
are available upon request.
