After-sales Service: | Replace, Refund |
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Warranty: | 12months |
Usage: | Lighting, Medical, Optical, Photography |
Samples: |
According to customers′ need
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Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: | |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
1.Material | BK7 Glass, Fused Silica or Color glass |
2.Dimensional tolerances | 0/-0.1mm |
3.Clear aperture | >90% |
4.Surface flatness | Lambda/2@633nm |
5.Parallelism | 1 Arc minute |
6.Surface Quality | US Standard 40-20,ISO Standard 3X0.25 |
7.Edge Chip | <0.1mm |
8.Bevel | Based on clients' requests |
9.Coating | AR, HR, PR or based on clients' requests |
Suppliers with verified business licenses