| Diameter Tolerance | +0/-0.005" (+0/-0.13 mm) |
| Th Tolerance | ± 0.005" (± 0.13 mm) |
| Clear Aperture | 85% |
| Parallelism | 3 arc min |
| Flatness | 2 waves at 633 nm |
| Surface finish | 60/40 |
| Coating | 50/50 ± 10% R/T for 2-8 μm |
CaF2 50/50 Beamsplitter, 2-8 µm
$275.00 – $350.00