3.9 mm f/1.1 M18

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 athermalized lens offers superior performance from -40°C to +80°C. Its lightweight and compact design make it a prime choice for your application. This
lens is compatible with 12 μm QVGA detectors and smaller

HEAR datasheet  (1.0M )

Optical Properties

Product number

18092_100

Focal length

3.9 mm

F-number/Aperture

f/1.1

Transmission

> 97%

Focus range

0.1 m to infinity with 0.12 mm refocus

Waveband

8 - 12 µm

Mechanical Properties

Weight

5.9 g

Interface thread

M18×0.5

Back focal length*

4.35 mm

Flange back distance*

8.35 mm

*: value applicable with 0.63 mm Si window (not included)

Environmental Properties

Operating temperature

-40 °C to +80 °C

Storage temperature

-57 °C to +105 °C

Fields of View

Detector

HFoV

VFoV

DFoV

320x240 12µm

59.6°

44.1°

76.1°

160x120 17µm

41.6°

31.0°

52.4°

160x120 12µm

29.1°

21.8°

36.6°

206x156 12µm

37.7°

°

°

80x80 34µm

41.6°

°

°

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