Standard Specifications
| Diameter Tolerance |
+0.0, -0.15mm |
| Design Wavelength |
632.8 nm |
| Surface Quality |
40-20 scratch & dig |
| Surface Figure |
λ/4@632.8nm |
| Clear Aperture |
>90% |
| Centration |
<3 arc minutes |
| Focal Length Tolerance |
+/- 3% |
| AR coatings |
None. |
|
Properties (Diameter D, Focal length L)
| D, mm |
D, Inches |
L Minimal, mm |
L Maximal, mm |
| 12,7 |
0.5 |
25 |
10.000 |
| 25,4 |
1 |
30 |
10.000 |
| 38,1 |
1,5 |
50 |
10.000 |
| 50,8 |
2 |
80 |
10.000 |
| 76,2 |
3 |
100 |
10.000 |
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