| Specifications | According to customer's specific requirements |
| Material | MgF₂, UV Grade Single Crystal |
| Diameter Range | 5 mm – 210 mm |
| Diameter Tolerance | +0.0 / -0.1 mm |
| Central Thickness Tolerance | ±0.2 mm |
| PV | λ/4 |
| Parallelism | <1' |
| Surface Quality | 60/40,40/20 |
| Coating | AR,HR |
