After-sales Service: | Available |
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Warranty: | Available |
Usage: | Optical, Customized |
Samples: |
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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
Material | BK7 or other materials |
Length tolerance | +/-0.01 |
Width tolerance | +/-0.01 |
Center thickness tolerance | 0.005mm |
Surface quality | 80-50 to 10-5 Scratch/Dig |
Surface flatness | < Lambda to lambda/20 |
Parallelism | < =1min -- 2sec |
Clear Apenture | 80% -- 100% |
Suppliers with verified business licenses