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| Customization: | Available |
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| After-sales Service: | Replace, Refund |
| Warranty: | 12months |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Support payments in USD |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Audited by an independent third-party inspection agency
| 1.Material | N-BK7,FS or based on clients' requirements |
| 2.Dimensional tolerances | 0/-0.1mm |
| 3.Surface flatness | Lambda/4@633nm |
| 4.Clear aperture | 90% |
| 5.Beam Deviation | <10" |
| 6.Surface Quality | US Standard 40-20,ISO Standard 3X0.16 |
| 7.Edge Chip | <0.1mm |
| 8.Bevel | <0.3mmx45° |
| 9.Coating | Reflective surface is coated with aluminum and protected with black paint, and refractive surface is coated with a single layer of MgF2 or Based on client requests |
Inspections





