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Opto Engineering MWIR - Infrared Optics with Low Distortion

Opto Engineering MWIR is a family of midwave infrared lenses specifically designed to operate in the 3-5 ?m wavelenght region with InSb FPA Focal Plane Arrays. The lenses offer a bayonet standard interface or, alternatively, they can be equipped with a custom mount interface at no additional cost.

In the design of the lenses, great importance was attached to a good image quality and a large aperture (small F-number).

These lenses, mounted on a MWIR camera, are the perfect choice for a variety of applications, including imaging through fog, high-speed thermal imaging, thermography, R&D (MWIR range), non-destructive testing.


  • Focal length: 35.00 mm, 50.00 mm and 75.00 mm
  • Circular Field of View: up to 33.4°


  • Wavelength: 3.0 µm to 5.0 µm
  • Average transmission: 90%
  • Distortion: -0.20%
  • Optical interface: B mount or custom mount at no additional cost
  • Equipped with locking screw
  • Hard Carbon (HCAR) coating on the lens' external surfaces


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of products were found. products were found. Show all
Model Camera mount (optics) Focal length (mm)
OE MW 03523 Customized 35
OE MW 05023 Customized 50
OE MW 07523 Customized 75
File Topics Size
Opto Engineering IR Series
Data sheets
2.3 MB
Opto Engineering MW 03523
Data sheets
923.7 KB
Opto Engineering MW 05023
Data sheets
919.6 KB
Opto Engineering MW 07523
Data sheets
926.7 KB