| Material: |
ZnSe, Custom, Sapphire, Si, BK7, BaF2, MgF2, IR Grade CaF2, CaF2, IR Grade FS, UVFS, FS |
| Surface Flatness: |
Lambda/10, Lambda/8, Lambda/6, Lambda/4, Lambda/2, Lambda, Other |
| Surface Quality (Scratch-Dig): |
10-5, 20-10, 40-20, 60-40, 80-50 |
| Wedge Angle: |
1 arc minutes |
| Diameter: |
1 mm |