Molded LWIR Lens IRL138109

Optical spec

  • Focal Length

    13.8 mm

  • F-number

    f/1.09

  • Waveband

    8–12 µm

  • Transmittance

    > 94% (AR coating)

  • MTF (40 lp/mm, @20°C, 640×480 / 12 µm)

    0.0F: 45% / 0.8F: 33% / 1.0F: 30%

Relative Illumination & Distortion

Detector R.I. (%) Distortion (%)
0.0F 0.8F 1.0F 0.0F 0.8F 1.0F
640×480, 12 um 100 95 92 0.0 -3.5 -5.5

Field of view (FOV)

Detector Pixel size
(um)
FOV (deg)
H V D
640 X 480 17 46.2 34.3 59.1
12 32.2 24.1 40.5
384 X 288 17 27.3 20.4 34.3
12 19.2 14.4 24.1
320 x 240 17 22.7 17.0 28.5
12 16.0 17.0 20.0

Mechanical spec

  • Lens Mount

    Threaded (M25x0.5P)

  • Weight

    g

  • Sealing

    IP67

  • Dimension

    Total Track length: 28.06 mm
    Max. Diameter: 28.00 mm
    Back Working Distance: 10.56 mm