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| Coad | 668237 | Substrate | N-BK7 | |
| Type | Plano-Convex Lenses | Clear Aperture | 90% CA | |
| Diameter(mm) | 50.80 | Diameter Tolerance | +0/-0.1mm | |
| Thickness(mm) | 3.00 | Thickness Tolerance | +0/-0.1mm | |
| Center Thickness | 6.7mm | Parallelism | ≤3 arcmin | |
| Wavelength(nm) | 400 - 700 | Surface Quality | 40-20 | |
| Focal Length(mm) | 175.00 | Focal Length Tolerance | ±1% | |
| Radius of Curvature | 90.1mm | Back Focal Length | 170.0mm | |
| Sagittal Aperture | 0.5 | Aperture on Curved Surface | 3 | |
| Surface Irregularity | λ/2@633 nm | Laser Damage Threshold | 0.19J/cm2@515nm，290fs，100Hz，Ø10.72μm (100 Pulses) | |
| Coating Type | Anti-Reflective Coating | Mechanical Housing | SM2-8A（Lens sleeve with SM2 internal and external threads） | |
| Coating Specifications | Ravg<0.5%a@400-700nm | |||
Traders City price 57.00$ The different purchase price may be caused by the store's previous promotion activities. For details, please consult the seller
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