Molded LWIR Lens FL 4.3mm f/1.4 (Model VN4.314)

Catal_VN4.314

• 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 4.3 mm, f/1.4 lens
  • - Use of diffractive-aspheric lens
  • - Ultralight, wide-angle, passively athermalized LWIR lens
• Applications and capabilities
  • - Thermal imaging and thermography

Optical specifications

• Focal length4.3 mm
• Aperture-based f-numberf/1.39
• Waveband8~12 um
• Focus range0.1 m to infinity
• Distortion< |46| % (384x288, 17 um)
• Transmittance(average@waveband)> 95 % (AR coating)
• > 90 % (DLC coating)
• Relative illumination> 63%
• Field of view (FOV)

  Sensor array	Pixel size(um)	FOV (deg)
  		H	V	D
  384 x 288	17	90	65.2	120
  	12	61.1	45.4	78
  320 x 240	17	73.1	53.8	94.5
  	12	50.5	37.7	63.8
  160 x 120	25	52.7	39.3	66.7
  	17	35.6	26.7	44.6
  80 x 60	35	36.7	27.5	46

  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.