Chalcogenide Infrared Optics


ChG is pleased to offer a selection of custom designed lenses

Typical Specifications:

Diameter tolerance: +/-0.1mm
Thickness Tolerance: +/-0.1mm
Focal Length Tolerance: +/-3%
Clear Aperture: >80%
Surface Quality: 60-40
Centration: <10 arc mins
Protective chamfers: typically 0.1mm at 45 degrees

Other specifications and lens designs are available.

For further details or to discuss your product requirements please contact us through our online enquiry form.