| Material: | BK7 |
| Dimension Tolerance: | +0.0, -0.1mm |
| Thickness Tolerance: | ± 0.1mm |
| Surface quality: | 60/40(Standard), 10/5(High Precision) |
| Clear Aperture: | >85% |
| Flatness: | λ(Standard), λ/10(High Precision) per 25mm@633nm |
| Parallelism: | 1' (Standard), 10" (High Precision) |
| Bevel: | <0.25mm X 45° |
| Coating: | Upon requirement |
| Typical Sizes: | |
| Round Shape | Φ5.0; Φ10.0 ; Φ12.7; Φ15.0; Φ20.0; |
| Diameter(mm): | Φ25.4; Φ30.0; Φ38.1; Φ50.8; Φ76.2 |
| Square Shape: | 5.0x5.0 ; 10.0x10.0 ; 15.0x15.0 ; |
| WxH(mm) | 20.0x20.0; 25.0x25.0; 50.0x50.0 |
| Thickness(mm): | 0.5; 1.0; 1.5; 2.0; 3.0; |
|
4.0; 5.0; 6.0; 8.0; 10.0
|