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| Coad | 668606 | 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 | 12.5mm | Parallelism | ≤3 arcmin | |
| Wavelength(nm) | 350 - 2000 | Surface Quality | 40-20 | |
| Focal Length(mm) | 75.00 | Focal Length Tolerance | ±1% | |
| Radius of Curvature | 38.6mm | Back Focal Length | 66.5mm | |
| Sagittal Aperture | 0.5 | Aperture on Curved Surface | 3 | |
| Surface Irregularity | λ/2@633 nm | Laser Damage Threshold | 4.5J/cm2@355nm，17.1ns，100Hz，Ø4.41μm (100 Pulses) 0.21J/cm2@515nm，290fs，100Hz，Ø10.72μm (100 Pulses) 0.50J/cm2@1550nm，190fs，100Hz，Ø11.47μm (100 Pulses) | |
| Coating Type | Uncoated | Mechanical Housing | SM2-16.5A（Lens sleeve with SM2 internal and external threads） | |
| Coating Specifications | Uncoated | |||
Traders City price 54.00$ The different purchase price may be caused by the store's previous promotion activities. For details, please consult the seller
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