The Fujifilm Fujinon YV2.2x1.4A-SA2L 1.4-3.1mm F1.4 CCTV lens is a high-quality manual focus lens designed for use with 1/3" cameras. With a maximum aperture of f/1, this lens offers sharp images and excellent low-light performance. The lens comes with an Adaptall mount, making it easy to attach to a variety of camera bodies. Its fixed focal length and prime lens design ensure consistent and reliable performance, making it a great choice for surveillance and monitoring applications.