The Fujinon TF2.8DA-8 is a very high quality C-mount lens designed for the toughest industrial environments. It is a fixed wide angle 2.8mm with a maximum aperture of f/2.2. It shows a horizontal 89deg. All functions, iris and focus, are manually controlled. In robotics and machine vision uses the lens can resolve enough detail for the highest grade of 3-CCD cameras. It can close-focus down to about 4".