25 mm f/1.2 - Athermalized Infrared Lens0 pages
iDLC
TM
GASIR® Infrared Lens
FL 25 mmf/1.2
Introduction
umicore
Product number:
12026_100
Athermalized
Fixed focus
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 imag-
ing and sensing applications.
This passively athermalized infrared lens fits
the latest 17 VGA and 25 qVGA+ un-
cooled detectors as well as 12 jim XGA detec-
tors or smaller. Its low distortion makes it ideally
suited for use in thermal imaging applications.
Optical Specifications
Focal length 25.0 mm
Aperture-based f-number f/1.20
Maximum image circle 15.4 mm
Waveband 8-12 urn
Transmission > 87% average over waveband
Focus range 2.0 m to infinity with 0.32 mm refocus
Assembly weight 40 g
Field of view
1024 x 768 12 Lim
640x512 17 |im
640 x 480 17 |im
384 x 288 25 |im
320 x 240 25 |im
640 x 480 12 |im
384 x 288 17 Lim
320 x 240 17 Lim
XGA 27.1° (H)x
24.2° (H) x
VGA 24.2° (H) x
qVGA+ 21.5° (H) x
qVGA 18.0° (H)x
VGA 17.3° (H)x
qVGA+ 14.8° (H) x
qVGA 12.4° (H)x
20.7° (V) - 33.3° (diagonal)
19.6° (V) - 30.5° (diagonal)
18.4° (V) - 29.8° (diagonal)
16.3° (V) - 26.6° (diagonal)
13.6° (V) - 22.4° (diagonal)
13.1° (V) - 21.5° (diagonal)
11.1° (V) - 18.4° (diagonal)
9.3° (V) - 15.4° (diagonal)
Environmental Specifications
Operating temperature
Storage temperature
•40 °C to +80 °C
•57°Cto+105°C
Vibration
Mechanical shock
Solar radiation
Sealing
MIL-STD-810E Method 514.4 Proc I Cat 8
MIL-E-5400T
MIL-STD-810G Method 505.5
IP67
Electro-Optic Materials is ISO certified: ISO 9001 & ISO 14001
Umicore Optical Materials Tel: +32 14 24 57 00
Watertorenstraat 33 Fax: +32 14 24 55 34
B2250 Olen optics@umicore.com
BELGIUM www.optics.umicore.com
Tel: 918-673-1650
Fax: 918-673-2121
opticalmaterials@umicore.com
www.opticalmaterials.umicore.com
Document revision 02
Umicore Optical Materials
PO Box 737
Quapaw, OK 74363
USA
Umicore Infrared Optics reserves the right to amend or withdraw specifications without prior notice.
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