The Edmund Optics TECHSPEC® 74-055 is a 75mm fixed focal length SWIR lens designed for high-quality imaging in the 900–1700nm wavelength range. Supporting sensors up to 2/3", this C-mount lens features an adjustable f/2–f/16 aperture, broadband anti-reflection coatings, and exceptionally low specified distortion of 0.068%. With a minimum working distance of 500mm, the lens is well suited for industrial inspection and machine vision applications requiring a narrow field of view and accurate image reproduction.

The Edmund Optics C Series Fixed Focal Length SWIR lenses offer compact, cost-effective solutions for industrial inspection, factory automation, and machine vision applications. Available in focal lengths from 3.5mm to 100mm, the series provides flexible imaging options for a variety of field-of-view and working-distance requirements.