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.）
| Material | Crystal Quartz |
| Dimension Tolerance | +0/-0.2mm |
| Thickness Tolerance | ±0.005mm |
| Surface Quality | 20/10 scratch and dig |
| Clear Aperture | >90% |
| Wavefront Distortion | <λ/8@632.8nm |
| Parallelism | <5 arc seconds |
| Thickness | T=0.5mm, 1mm, 1.5mm, 2.0mm |
| Coating | None |
