Molded LWIR Lens FL 25mm f/1.0 (Model VN2510)

Catal_VN2510

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

Optical specifications

• Focal length25.0 mm
• Aperture-based f-numberf/1.0
• Maximum image circle11 mm
• Waveband8~12 um
• Focus range6.5 m to infinity
• Distortion< |0.35| % (640x480, 12 um)
• Transmittance(average@waveband)> 95 % (AR coating)
• > 90 % (DLC coating)
• Relative illumination> 92%
• Field of view (FOV)

  Sensor array	Pixel size(um)	FOV (deg)
  		H	V	D
  640 x 512	12	17.4	14.0	22.2
  640 x 480	12	17.4	13.1	21.7
  384 x 288	17	14.8	11.2	18.5
  	12	10.5	7.9	13.1
  320 x 240	17	12.4	9.3	15.6
  	12	8.8	6.6	11.0

  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.