This Computar 1" 12.5mm f/1.4 2MP Lens is designed for cameras with a C-Mount for use in a variety of applications. It has a fixed focal length of 12.5mm, and resolves an image on 1" cameras with 2MP sensors. Featuring a minimum working distance of 4", the lens focuses to infinity and incorporates both lockable iris and focus rings, so you can leave the lens set up and not have to worry about either ring changing over time. The front of the lens incorporates an M35.5 filter thread.
The fast f/1.4 aperture enables you to use this lens in low-light situations
The lens works in temperatures from below freezing to over 100 degrees Fahrenheit