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Business unit / dept.: Electro-Optic Materials

25 mm f/1.0 M34

25 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 passively athermalized infrared lens fits the latest 12 μm VGA uncooled detectors or smaller. It is adapted to the latest FLIR Boson® interface. Its low distortion and extreme sharpness makes it ideally suited for use in thermal imaging applications.

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Optical Properties

Product number (HEAR)

18061_100

Focal length

25 mm

F-number

f/1.0

Transmission (HEAR)

>89%

Focus range

0.5 m to infinity with 1.2 mm refocus

Waveband

8 - 12 µm

Mechanical properties

Weight (HEAR)

71.3 g

Interface thread

M34x0.5

Back focal length*

6.0 mm

Flange back distance*

17.55 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
640×512 12 µm
17.6°
14.1°
22.5°
640×480 12 µm
17.6°
13.2°
22.0°
384×288 17 µm
15.0°
11.2°
18.7°
320×240 17 µm
12.5°
9.4°
15.6°
320×240 12 µm
8.8°
6.6°
11.0°
336×256 12 µm
9.3°
7.1°
11.6°
206×156 12 µm
5.7°
4.3°
7.1°
160×120 17 µm
6.2°
4.7°
7.8°
80×80 34 µm
6.2°
6.2°
8.8°
160×120 12 µm
4.4°
3.3°
5.5°

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