| Customization: | Available |
|---|---|
| After-sales Service: | Repair for free for any quality problem |
| Warranty: | 1 year |
|
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| Items | Description |
|
| Concave Lens | Material: | Schott N-BK7 |
| Dimensions: | 25.0+0.0/-0.5x27.0+/-0.05mm | |
| Center thickness: | 6.00+/-0.10mm | |
| R1: | infinity | |
| R2: | 120mm+/-0.5%,CYL CC | |
| Flatness: | S2:IRR<1/2L@633nm | |
| Surface quality: | S1:commerical polish | |
| S2:60-40 | ||
| Centerness: | <50um | |
| Clear aperture: | >90% | |
| Chamfer: | protected | |
| Coating: | uncoated | |
| Standard: | MIL-PRF-13830B | |
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