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Products - Clear Align – custom imaging & laser systems for ISR»Lenses»LIRF 27 LWIR 27MM F/.8 FIXED FOCAL LENGTH LENS

LIRF 27 LWIR 27MM F/.8 FIXED FOCAL LENGTH LENS

Key Features:

  • Available for 17? and 25? arrays
  • Compact package
  • Compatible with the Tau camera by FLIR
  • True athermalized lens for -40°C to +62°C temperature range
  • High sensitivity (low F/#) as low as f/.08
  • Rugged design for harsh environments
  • Specifications
Optical Specifications
Focal Length: 27mm
F/#: f/0.8
Spectral Range: 8 - 12 microns
Image Format: 384 x 288 pixels, 25 micron pixel size
Back Focal Length: 11 mm
Cold Stop to FPA Distance: N/A
Average Transmission (All elements AR coated): > 90%
Horizontal FOV: 20.3°
Distortion: <21%
On-Axis MTF: N/A
MOD: 1 meter
Mechanical Specifications
Max Dimensions: See MICD for details
Zoom Time (wfov to nfov): N/A
Through-Zoom Boresight: N/A
Weight: 200 grams
Mount: Customized to Specification
Operating Temperature: 40°C to + 62°C
Storage Temperature: - 40°C to + 70°C
Field of View Data
Field of View Data:
WFOV (40mm)
HFOV 320x240 480x384 640x512
30 microns 19.57    
25 microns 16.5 23.96 30.65
17 microns 11.39 16.82 21.95
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