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| Customization: | Available |
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| After-sales Service: | Free after sales service |
| Warranty: | 1 year |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Items | Description | |
| Plano Concave Lens | Material: | N-BK7 or fused silica |
| Diameter: | S2:120.50+0.05/-0.00mm | |
| S1:90.0+/-0.10mm | ||
| Center thickness: | 10.65+/-0.10mm | |
| ROC1: | 69.9+/-0.1mm CC | |
| ROC2: | infinity | |
| Flatness: | All surfaces:N/A | |
| Surface quality: | S1&S2:40-20 | |
| Hypotenuse surface:80-50 | ||
| All other surfaces:120-100 | ||
| Centerness: | N/A | |
| Clear aperture: | >90% | |
| Chamfer: | S1:leave sharp edge,chips<2.0mm | |
| Coating: | uncoated | |
| Standard: | MIL-PRF-13830B | |
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