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8.9 mm f/1.4 M25

8.9 mm f/1.4 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 passively athermalized infrared lens is suited for 17 μm VGA uncooled detectors and smaller. Its athermalized design ensures performance over a very wide temperature range.

Documents

Optical Properties

Product number (HEAR)

17048_100

Product number (DLC)

17041_100

Focal length

8.9 mm

F-number

f/1.4

Transmission (HEAR)

> 94%

Transmission (DLC)

> 87%

Focus range

0.8 m to infinity with 0.9 mm refocus

Waveband

8 -12 µm

Mechanical properties

Mechanical shock

MIL-E-5400T

Mechanical shock (HEAR)

MIL-E-5400T

Mechanical shock (DLC)

MIL-E-5400T

Weight

22.0 g

Weight (HEAR)

22.0 g

Weight (DLC)

22.0 g

Interface thread

M25×0.5

Back focal length*

10.07 mm

Flange back distance*

19.47 mm

value applicable with 1 mm Ge window (not included)

Environmental properties

Sealing

IP67

Sealing (HEAR)

IP67

Sealing (DLC)

IP67

Solar radiation

MIL-STD-810G Method 505.5

Vibration

MIL-STD-810G Method 514.6C-II / Cat. 4

Vibration (HEAR)

MIL-STD-810G Method 514.6C-II / Cat. 4

Vibration (DLC)

MIL-STD-810G Method 514.6C-II / Cat. 4

Operating temperature

-40 °C to +80 °C

Storage temperature

-50 °C to +105 °C

Fields of view

Detector
HFoV
VFoV
DFoV
640×480 17 µm
69°
52°
86°
384×288 25 µm
61°
46°
76°
320×240 25 µm
51°
38°
63°
384×288 17 µm
42°
31°
52°
320×240 17 µm
35°
26°
43°
80×80 34 µm
17.4°
17.4°
25°
160×120 17 µm
17.4°
13.1°
22°

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