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ZnS infrared aspheric optical lenses, made from zinc sulfide, are tailored for advanced infrared applications. These ZnS infrared aspheric optical lenses excel in reducing spherical aberrations, providing superior optical performance in devices such as thermal cameras, night vision systems, and aerospace instrumentation, where precise and clear long-wave infrared imaging is critical. Choose CNGEIR for custom aspheric lenses designed for your specific applications.
Material | ZnS | |||||
Specification | Customized | |||||
Diameter Range | 12mm~450mm | |||||
Aspheric turning diameter | 12mm~200mm | |||||
Diameter Tolerance | 0.05mm | |||||
Center Thickness Tolerance | 0.02mm | |||||
Surface Quality | 20/10、10/5 | |||||
Surface Accuracy | PV λ/10、λ/20 | |||||
Surface Roughness | Ra≤0.04μm | |||||
Local Error | ≤0.5 | |||||
Decentration | ≤1′ | |||||
Total High Tolerance | ±0.02mm | |||||
Concave Sag | ±0.02mm |