After-sales Service: | Replace, Refund |
---|---|
Warranty: | 12months |
Usage: | Lighting, Medical, Optical, Photography |
Samples: |
According to customers′ need
|
---|
Customization: |
---|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
---|
Payment Method: | |
---|---|
Initial Payment Full Payment |
Currency: | US$ |
---|
Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
---|
Suppliers with verified business licenses
1.Material | Domestic or foreign materials are selected based on clients' requests |
2.Dimensional tolerances | 0/-0.03mm |
3.Clear aperture | 90%-100% |
4.Tolerance of CT or ET | ±0.03mm |
5.Surface Quality | US Standard 10-5,ISO Standard 3X0.063 |
6.Curvature Tolerance | ±1.5Lambda |
7.Surface Flatness | Lambda/4@633nm |
8.Centration | 3 Arc minutes |
9.Focal Length | ±1% |
10.Edge Chip | <0.1mm |
11.Bevel | Based on clients' requests |
12.Coating | Apply AR or based on client requests |
Suppliers with verified business licenses