Product model table
(Find the product number of the product you want in the form, and select the product number from the above options to purchase.）
| Dimension Tolerance | ±0.2mm |
| Surface Quality | 60/40 |
| Clear Aperture | >90% |
| Flatness | <λ/4@632.8nm |
| Angle Tolerance | <3 arc minutes |
| Roof Angle Tolerance | Up to 3 arc seconds |
| Coating | None, available |
| Material | BK7 |
