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| Customization: | Available |
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| After-sales Service: | Testing |
| Warranty: | 1-3 Month |
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| Material | BK7 K9 CaF2 Quartz Germanium Silicon ZnSe. |
| Size | 3-300mm |
| Tolerance | +/-0.01mm |
| Suface Quality | 10-5 |
| Flatness | 1/10 lmabda@633nm |
| Angle tolerance | <3 seconds |
| Coating | AR,HR,Aluminum,Silver or customer request |


