Crystal lens elements

Diameter: 20, 25 mm
Wavelength: 10.6 µm

Focal Length: - 1.5", 2", 2.5", 4" Diameter: - 20 / 25 mm Thickness: - 2.5 / 3 mm Material: - Zinc Selenide Light Transmittance: - Up to 99.8% Max Power Capacity: - 300W AR Coating Reflectivity: - <0.3% Wavelength: - 10.6 um Diameter ...

The sintered ZnS lenses for far-infrared rays (10 μm band) are made from ZnS (zinc sulfide) powder, and suitable for mass production by molding process. These lenses can be manufactured with high productivity without using rare metals, ...