| Customization: | Available |
|---|---|
| After-sales Service: | Repair for free |
| Warranty: | 1 year |
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| Material: | Schott N-BK7 |
| Diameter: | 22.4+0.0/-0.2mm |
| Thickness: | 2.0+/-0.1mm |
| R1: | infinity |
| R2: | infinity |
| Flatness: | S1&S2:N/A |
| Surface quality: | S1&S2:5/3x0.25(S/D:60-40) |
| Parallelism: | <3arcmin |
| Clear aperture: | >90% |
| Chamfer: | protected |
| Coating: | ND coating,OD0.4+/-5%@400-700nm,CWL@550nm |
| Standard: | MIL-PRF-13830B |
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