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| Coad | 664039 | Type | Galilean Apochromatic Fixed Magnification Beam Expander | |
| Shell Input/Output Diameter（mm） | 30.5 / 56.2 | Shell Length（mm） | 121.00 | |
| Wavelength(nm) | 400 - 700 | Magnification(X) | 5 | |
| Material | - | Housing Material | - | |
| Incident Clear Aperture | 11.0mm | Exit Clear Aperture | 47.5mm | |
| Incident and Exit Light Angle | - | Output Beam Spot Diameter | 3.0mm | |
| Maximum Incident Beam Spot Diameter | - | Thread Size | SM1 External Thread / SM2 Internal Thread | |
| Thread Adjustable Distance | ±4.2mm | Spot Size at Diffraction Limit (a) | 5.0mm | |
| Focusing Distance | ±2.5m | Collimation | - | |
| Transmittance | ≥93%@405nm；≥96%@543nm；≥98%@633nm | Surface Quality | - | |
| Transmission Wavefront Deviation | - | Laser Damage Threshold | 3J/cm²(532nm，10ns，10Hz，Ø408µm) | |
| System Damage Threshold | - | Coating Specifications | Ravg<0.5%@400-700nm |
Traders City price 538.00$ The different purchase price may be caused by the store's previous promotion activities. For details, please consult the seller
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