VN6.210

Molded LWIR Lens FL 6.2mm f/1.0 (Model VN6.210)

VN6.210 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 6.2 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 length6.2 mm
  • Aperture-based f-numberf/1.0
  • Maximum image circle10 mm
  • Waveband8~12 um
  • Focus range0.41 m to infinity
  • Distortion< |34.3| % (640x480, 12 um)
  • Transmittance(average@waveband)> 95 % (AR coating)
  • > 90 % (DLC coating)
  • Relative illumination> 87.8%
  • Field of view (FOV)
    Sensor array Pixel size(um) FOV (deg)
    H V D
    640 x 480 12 75.0 54.6 99.5
    384 x 288 17 62.5 46.0 80.5
    12 43.3 32.2 54.6
    320 x 240 17 51.4 38.2 65.4
    12 36.0 26.8 45.1

    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.