Umicore’s GASIR® infrared lenses have been developed for an easy fit with a wide range of camera cores. Our catalog lenses provide a cost-effective
solution for high-resolution thermal imaging and sensing applications.
This lens may be offered with other coating variants upon request. This high performance lens is optimised for minimum weight. Material choices allow a moderate temperature range with passive optical athermalisation.
This lens is compatible with 12 μm SXGA detectors and smaller.
Optical Properties
Product number (HEAR)
20083_100
Focal length
35 mm
F-number
f/1.1
Transmission (HEAR)
>91%
Focus range
1.9 m to infinity with refocus of 0.61 mm
Waveband
8 - 12 µm
Mechanical properties
Weight (HEAR)
38 g
Interface thread
M34x0.5
Back focal length*
8.5 mm