Fixed Focal Lenses

Fixed Focal Lenses for CCTV Cameras Fixed lenses for industrial cameras are the basic type of lenses used in monitoring. They are characterized by a set, unchanging focal length, which translates into a constant viewing angle of the camera. They do not have focal length adjustment (zoom). They are available in versions with manual iris adjustment (Manual Iris) and without adjustment. How to choose a fixed lens? The choice of focal length depends on how wide an area and from what distance you want to monitor: Lenses