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18.6 mm f/1.0 M34

18.6 mm f/1.0 M34

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.

Documents

Optical Properties

Product number (HEAR)

21048_100

Focal length

18.6 mm

F-number

f/1.0

Transmission (HEAR)

>91%

Focus range

4 m to infinity with refocus of 0.06 mm

Waveband

8 - 12 µm

Mechanical properties

Weight (HEAR)

111g

Interface thread

M34x0.5

Back focal length*

10.0 mm

value applicable with 0.725 mm Si window (not included)

Environmental properties

Sealing (HEAR)

IP67

Operating temperature

-40°C to +80°C

Storage temperature

-50°C to +107°C

Fields of view

Detector
HFoV
VFoV
DFoV
640×480 12 µm
24.0°
17.9°
30.2°
1024×768 12 µm
39.2°
29.0°
50°
1280×1024 12 µm
50.0°
39.2°
66.5°
1024×768 17 µm
57.6°
41.9°
75.2°
640×480 17 µm
34.5°
25.6°
30.3°

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