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35 mm f/1.1 M25

35 mm f/1.1 M25

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 doesn’t contain Germanium elements. Its high performance and cost-effective design makes it a prime choice for your application.
This lens is compatible with 17 µm VGA detectors and smaller.

Documents

Optical Properties

Product number (iDLC)

25025_100

Product number (HEAR)

25005_100

Focal length

35 mm

F-number

f/1.1

Transmission (iDLC)

>87%

Transmission (HEAR)

>94%

Focus range

5.0 m to infinity with refocus of 0.25 mm

Waveband

8 - 12 µm

Mechanical properties

Weight (iDLC)

46g

Weight (HEAR)

46g

Interface thread

M25x0.5

Back focal length*

10.3 mm

Flange back distance*

19.47 mm

value applicable with 1 mm Ge window (not included)

Environmental properties

Sealing (iDLC)

IP67

Sealing (HEAR)

IP67

Operating temperature

-40°C to +80°C

Storage temperature

-57°C to +105°C

Fields of view

Detector
HFoV
VFoV
DFoV
640×480 17 µm
17.3°
13.2°
21.2°
640×480 12 µm
12.4°
9.4°
15.4°
384×288 17 µm
10.6°
7.99°
13.2°
320×240 17 µm
8.9°
6.7°
11.0°
640×480 10 µm
10.4°
7.8°
12.9°
320×240 10 µm
5.2°
3.9°
6.5°
160×120 17 µm
4.4°
3.3°
5.5°
320×240 12 µm
6.2°
4.7°
7.8°
206×156 12 µm
4.0°
3.0°
5.0°

Questions about the product?