VN6.713

Molded LWIR Lens FL 6.7mm f/1.3 (Model VN6.713)

VN6.713 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 6.7 mm, f/1.3 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 length6.7 mm
  • Aperture-based f-numberf/1.3
  • Maximum image circle8.4 mm
  • Waveband8~12 um
  • Focus range0.26 m to infinity
  • Distortion< |11.5| % (320x240, 17 um)
  • Transmittance(average@waveband)> 95 % (AR coating)
  • > 90 % (DLC coating)
  • Relative illumination> 93.2%
  • Field of view (FOV)
    Sensor array Pixel size(um) FOV (deg)
    H V D
    384 x 288 17 57.0 42.3 72.5
    12 40.0 30.0 50.0
    320 x 240 17 47.0 35.0 60.0
    12 33.0 25.0 41.4

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