| Specifications | |
| Material | B270 Glass |
| Dimension Tolerance | +0.0/-0.2mm |
| Thickness | 2.0±0.2mm |
| Flatness | 2λ@632.8nm |
| Surface Quality | 80/50 scratch and dig |
| Parallelism | <5 arc minutes |
| Clear Aperture | >90% |
| Design Wavelength | 400-700nm |
| Coating | Metallic reflective coating |
| OD Tolerance | ±10% of OD |
| 產品 | 型號 / 敘述 | 交期 | 單價 | 數量 | 購物車 |