The Edmund Optics Blue Series M12 24-470 lens is a 25 mm,1/1.8" 8 megapixel lens with a 0.15 meter minimum object distance, fixed 2.5 f-stop / aperture, and -0.25 @ Full Field distortion.
Edmund Optics Blue Series M12 lenses are high performance, high resolution lenses designed for industrial machine vision applications and built with high quality Edmund Optics TECHSPEC® components. They are optimized for close working distance and high resolution board cameras. Blue Series M12 lenses are built with an S-mount lens mount and an M12 x 0.5 filter size, but also connect to C-Mount cameras with an M12 x 0.5 adapter.
Blue Series M12 lenses - Learn more