Spherical reflectors
High-order curved primary mirrors
| Name | Inspection item | Inspection result (mm) | Inspection item | Inspection result (mm) |
| 526 high-order curved primary mirror | Outer diameter | 525.9126 | Center thickness | 60.9572 |
| Effective aperture | φ516 | Top's radius of curvature | 2348.756 | |
| Aperture of light outlet | Guaranteed by machining | K value | Guaranteed by machining | |
| Surface finish | 80/50 | Off-axis distance | 460.0 | |
| Surface roughness | Guaranteed by machining | Diameter of back hole | φ100.0 | |
| Edge thickness difference | 0.0157 | Depth of back hole | 20.0 | |
| Edge thickness | 75.0065 |
Surface flatness precision value:
Spherical lens
| Name | Inspection item | Inspection result | Inspection item | Inspection result |
| 252 spherical lens | Outer diameter | φ251.9434 | N | 0.5 |
| Edge thickness | 12.36 | △N | 0.25;0.25 | |
| Center thickness | 50.0317 | Centration | Unmeasurable | |
| R1 | 866.1178 | Surface finish | IV | |
| R2 | 293.40792 | Clear aperture | φ246; φ246 |
| NO. | Wavelength (nm) | Reflectivity |
| 1 | 518.00 | 0.129 |
| 2 | 532.00 | 0.107 |
| 3 | 637.00 | 0.086 |
| 4 | 656.00 | 0.148 |
| 5 | 1072.00 | 0.119 |
| 6 | 1085.00 | 0.148 |