VN1210

Molded LWIR Lens FL 12mm f/1.0 (Model VN1210)

VN1210 product image
  • Precision molded LWIR lenses using chalcogenide glass
    • - High-volume, cost effective manufacturing
    • - Optimized for the 8~12 um wavelength range
  • High performance LWIR lenses
    • - FL 12 mm, f/1.0 lens
    • - Use of diffractive‐aspheric lens
    • - Ultralight, wide‐angle, passively athermalized LWIR lens
  • Suitable for use with qVGA and qqVGA detectors and smaller
  • Applications and capabilities
    • - Thermal imaging and thermography
    • - Automotive vision enhancement

Optical specifications

  • Focal length12.0 mm
  • Aperture-based f-numberf/1.0
  • Maximum image circle9.0 mm
  • Waveband8~12 um
  • Focus range1.8 m to infinity
  • Distortion< |0.6| % (640x480, 10 um)
  • Transmittance(average@waveband)> 95 % (AR coating)
  • > 90 % (DLC coating)
  • Relative illumination> 78%
  • Field of view (FOV)
    Sensor array Pixel size(um) FOV (deg)
    H V D
    640 x 480 12 35.8 27.1 44.5
    10 30 22.6 37.2
    384 x 288 17 30.6 23.1 38
    12 21.8 16.4 27
    320 x 240 17 25.6 19.3 31.8
    12 18.2 13.7 22.7

    Note : Each lens is optimized for a specific detector format represented by bold values.
    This table shows values for other compatible detector formats with non‐optimal performance.