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 | BK7 Grade A optical glass, UV grade fused silica |
| Dimension Tolerance | +0.0/-0.2mm |
| Thickness Tolerance | ±0.2mm |
| Surface Quality | Standard: 60/40 |
| High Precision: 20/10 | |
| Clear Aperture | >90% |
| Wavefront Distortion | Standard: <λ@633nm per 25mm |
| High Precision: <λ/10@633nm per 25mm | |
| Parallelism | Standard: <1 arc minute |
| High Precision: <10 arc seconds | |
| Chamfer | Protected <0.5mmx45° |
| Coating | Uncoated, available |
| Grade | Standard |
