The C-Mount Lens with a flange focal distance of 17.526 mm, 5mm more than CS-mount, is mounted to a C-mount camera. It is typically used in Machine Vision camera, USB, GigE and 3D cameras for industrial application then often called “MV lens” , ”FA lens” and “industrial lens”. Now many C-mount lenses are using in traffic monitoring cameras for Intelligent Traffic Systems then called “ITS lens” and “traffic lens”.