Molded LWIR Lens FL 18.6mm f/1.0 (Model VN1810)

Catal_VN1810

• 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 18.6 mm, f/1.0 lens
  • - Use of diffractive‐aspheric lens
  • - Ultralight, wide‐angle, VGA and qVGA lens
• Suitable for use with VGA and qVGA detectors and smaller
• Applications and capabilities
  • - Thermal imaging and thermography
  • - Drone thermal imaging

Optical specifications

• Focal length18.6 mm
• Aperture-based f-numberf/1.0
• Maximum image circle10.6 mm
• Waveband8~12 um
• Focus range3.6 m to infinity
• Transmittance> 95 % (AR coating)
• > 90 % (DLC coating)
• Field of view (FOV)

  Sensor array	Pixel size(um)	FOV (deg)
  		H	V	D
  640 x 512	12	23.5	18.8	30.1
  640 x 480	12	23.5	17.7	29.4
  384 x 288	17	20	15	25
  	12	14.2	10.6	17.7
  320 x 240	17	16.7	12.5	20.8
  	12	11.8	8.9	14.7

  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.