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| Customization: | Available |
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| Warranty: | 1 Month |
| Usage: | Lighting, Medical, Optical, Photography |
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| Diameter | 40mm |
| Radius | 5mm |
| Centration | <3min, <1min or <30'' |
| Clear Aperture | >90% |
| Surface roungh | 60/40, 40/20 or better |
| Surface flatness | lambda/4, lambda/2 or as request |
| Chamfer | 0.1+/-0.05mmx45deg |


