25 mm f/1.2

Umicore’s GASIR® infrared lenses have been developed for an easy fit with a wide range of camera cores. Our catalog IR lenses provide a cost-effective solution for high-resolution thermal imaging and sensing applications.

This passively athermalized infrared lens fits the latest 17 µm VGA and 25 µm qVGA+ uncooled detectors as well as 12 µm XGA detectors or smaller. Its low distortion makes it ideally suited for use in thermal imaging applications.

HEAR  (645.3K )
DLC/iDLC  (665.3K )

Optical Properties

Product number

12025_100

Focal length

25 mm

F-number/Aperture

f/1.2

Transmission

> 94%

Focus range

1 m to infinity with refocus of 0.64 mm

Waveband

8 - 12 µm

Mechanical Properties

Mechanical shock

MIL-E-5400T

Weight

40 g

Interface thread

M25x0.5

Back focal length*

11.4 mm

Flange back distance*

19.47 mm

*: value applicable with 1 mm Ge window (not included)

Environmental Properties

Sealing

IP55

Solar radiation

MIL-STD-810G Method 505.5

Vibration

MIL-STD-810E Method 514.4 Proc I Cat 8

Operating temperature

-40°C to +80°C

Storage temperature

-57°C to + 105°C

Optical Properties

Product number

12026_100

Focal length

25 mm

F-number/Aperture

f/1.2

Transmission

> 88%

Focus range

1 m to infinity with refocus of 0.64 mm

Waveband

8 - 12 µm

Mechanical Properties

Mechanical shock

MIL-E-5400T

Weight

40 g

Interface thread

M25x0.5

Back focal length*

11.4 mm

Flange back distance*

19.47 mm

*: value applicable with 1 mm Ge window (not included)

Environmental Properties

Sealing

IP67

Solar radiation

MIL-STD-810G Method 505.5

Vibration

MIL-STD-810E Method 514.4 Proc I Cat 8

Operating temperature

-40°C to +80°C

Storage temperature

-57°C to + 105°C

Fields of View

Detector

HFoV

VFoV

DFoV

1024x768 12µm

27.1°

20.7°

33.3°

640x480 17µm

24.2°

18.4°

29.8°

384x288 25µm

21.5°

16.3°

26.5°

320x240 25µm

18.0°

13.2°

22.3°

640x480 12µm

17.3°

13.1°

21.5°

384x288 17µm

14.8°

11.1°

18.4°

320x240 17µm

12.4°

9.3°

11.0°

384x288 12µm

10.5°

7.9°

13.1°

640x512 17µm

24.2°

19.6°

30.5°

640x480 10µm

14.5°

°

°

320x240 10µm

7.3°

°

°

160x120 17µm

6.2°

°

°

336x256 12µm

9.2°

°

°

320x240 12µm

8.7°

°

°

206x156 12µm

6.2°

°

°

80x80 34µm

6.2°

°

°

back to top

Questions about the product?

contact

US SALES OFFICE

2976 S. 614 Road
Quapaw, OK 74363
USA Tel: +1 918 673 1650
Fax: +1 918 673 2121
e-mail : optics.na@umicore.com

EUROPE & INTERNATIONAL SALES OFFICE

Watertorenstraat 33
2250 Olen
Belgium
Tel: +32 14 24 54 29
Fax: +32 14 24 53 32
e-mail : optics@umicore.com

ASIAN SALES OFFICES 

Shanghai, China
Phone +86 21 2411 6838
e-mail : optics.cn@umicore.com 

Mumbai, India
Phone +91 22 6627 5656
e-mail: optics.in@umicore.com 

Tokyo, Japan
Phone +81 36 68 53 106
e-mail : optics.jp@umicore.com 

Seoul, Korea
Phone +82-2-3470 8850
e-mail : optics.kr@umicore.com 

Moscow, Russia
Phone +7 495 966 09 29
e-mail: optics.ru@umicore.com 

Taipei, Taiwan
Phone +886 2 8732 2021
e-mail: optics.tw@umicore.com