The Edmund Optics TECHSPEC® 23-216 is a 3.5mm fixed focal length SWIR lens designed for wide-angle imaging in the 900–1700nm wavelength range. Featuring a 102.4° horizontal field of view on 1/1.8" sensors, an adjustable f/2–f/11 aperture, and broadband anti-reflection coatings, this C-mount lens is well suited for machine vision applications requiring a large field of view in a compact imaging system.

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.