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ZnS infrared spheric optical lenses, made from zinc sulfide, are essential for high-performance infrared applications. These lenses are especially valued for their broad transmission from visible to far-infrared wavelengths, making them ideal for night vision technology, thermal imaging systems, and other advanced optical uses requiring exceptional clarity and durability.
| Material | ZnS | ||||
| Specification | Customized | ||||
| Diameter Range | 12mm～450mm | ||||
| Polishing diameter | 12mm～450mm | ||||
| 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 | ±0.02 | ||||
| Concave Sag | ±0.02 | ||||
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No.9 Zhongxing East Road, Lishui Economic Development Zone, Nanjing, Jiangsu, China 
