After-sales Service: | Available |
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Warranty: | Available |
Usage: | Lighting, Medical, Optical, Photography |
Samples: |
clear
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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 material |
length tolerance | +/-0.01 |
width tolerance | +/-0.01 |
center thickness tolerance | 0.005mm |
surface quality | 80-50 to 10-5 |
suface flatnedd | <lambda to lambda/20 |
parallelism | <=1min--2sec |
clear aperture | 80%--100% |
Suppliers with verified business licenses