| Customization: | Available |
|---|---|
| After-sales Service: | One Year |
| Warranty: | One Year |
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| Diameter tolerance | ±0.02mm |
| Length tolerance | ±0.02mm |
| Surface Accuracy | l/10 @ 633nm |
| Focal length | +/-1% |
| Surface Quality | 20/10 or better |
| Material | K9, UV fused silica, sapphire, etc |
| Clear aperture | >90% |
| Ovality | <0.005mm |
| Coating | Customized |
| Bevel | Available upon request |