Standard Specifications
| AR coatings |
None. Please refer to the Coatings section. |
| Design wavelength |
632.8 nm |
| Surface Quality |
40-20 scratch & dig |
| Surface Figure |
L/4@632.8 nm |
| Chamfer |
0.25 mm @ 45o |
| Thickness Tolerance |
+/-1.0 mm |
| Focal Length Tolerance |
+/- 3% |
| Centration |
<3 arc minutes |
| Clear Aperture |
>90% |
| Diameter Tolerance |
+0.0, -0.15 mm |
| Material |
BK7, FS, UVFS, CaF2, ZnSe, Si, Ge |
|
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 |
3 |
+/- 80 |
+/- 10.000 |
| 76,2 |
3 |
+/- 100 |
+/- 10.000 |
|
