https://www.cngeir.com/products/zns-infrared-spheric-optical-lens/ ↗
#zinc #selenide #lenses
ZnS infrared spheric optical lenses, made from zinc sulfide, are essential for high-performance infrared applications. These zinc selenide 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.

The Specifications of ZnS Infrared Spheric Optical Lens
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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