Introduction

• 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 8.09 mm, f/1.1 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 length8.09 mm
• Aperture-based f-numberf/1.14
• Maximum image circle8.56 mm
• Waveband8~12 um
• Focus range1.5 m to infinity
• Transmittance(average@waveband)> 95 % (AR coating)
• > 90 % (DLC coating)
• Relative illumination> 91.3 %
• Field of view (FOV)

  Sensor array	Pixel size(um)	FOV (deg)
  		H	V	D
  384 X 288	17	49	36	63.7
  	12	33.8	25.2	42.8
  320 X 240	17	40.2	29.8	51.3
  	12	28	29.9	35.3
  206 x 156	25	19.3	14.4	24.1

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