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| Coad | 668774 | Substrate | ZnSe | |
| Type | Plano-Convex Lenses | Clear Aperture | 90% CA | |
| Diameter(mm) | 25.40 | Diameter Tolerance | +0/-0.1mm | |
| Thickness(mm) | 3.61 | Thickness Tolerance | +0/-0.1mm | |
| Center Thickness | 4.0mm | Parallelism | <3 arcmin | |
| Wavelength(nm) | 7000 - 12000 | Surface Quality | 40-20 | |
| Focal Length(mm) | 149.00 | Focal Length Tolerance | ±1% | |
| Radius of Curvature | 209.0mm | Back Focal Length | 147.3mm | |
| Sagittal Aperture | 0.5 | Aperture on Curved Surface | 3 | |
| Surface Irregularity | λ/2@633 nm | Laser Damage Threshold | - | |
| Coating Type | Anti-Reflective Coating | Mechanical Housing | SM1-8A（Lens sleeve with SM1 internal and external threads） | |
| Coating Specifications | Tavg≥97%，Tabs≥92%，Ravg≤1%，Rabs≤2%@7μm-12μm | |||
Traders City price 310.00$ The different purchase price may be caused by the store's previous promotion activities. For details, please consult the seller
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