| Customization: | Available |
|---|---|
| After-sales Service: | Repair for free for any quality problem |
| Warranty: | 1 year |
|
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| Items | Description | |
| Doublet Lens | Material: | Schott N-LAK345 |
| Schott N-PK51 | ||
| Diameter: | 21.00+0.00/-0.02mm | |
| 25.00+0.00/-0.02mm | ||
| Center Thickness: | 5.61+/-0.03mm | |
| ROC1: | 16.10630 CC | |
| ROC2=ROC3: | 12.62335mm DOUBLET | |
| ROC4: | 39.34809mm CX | |
| Flatness: | 3/2.0(0.5) | |
| Surface quality: | 5/3x0.16;C2x0.16;L2x0.02;E2x0.3 | |
| Centerness: | 4/3arcmin | |
| Clear Aperture: | S1:>D18.500mm | |
| S2&S3:>D20.780mm | ||
| S4:>D23.816mm | ||
| Chamfer: | 0.1-0.2mmx45deg | |
| Coating: | S1&S4:AR coating,Rabs<0.75%@450-850nm,AOI<15deg | |
| Standard: | ISO 10110 | |
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