The Marshall V-4325 is a very versatile lens designed for total custom applications and installations. It can be mated with 1/4, 1/3 or 1/2-inch CCD cameras. As with all Marshall lenses it uses all-glass elements, four elements in this case, for ultimate distortion-free images. The all-metal housing contributes to the durability of the piece. Maximum horizontal angle comes from mounting on a 1/2-inch camera. It results in a 75° angle.