A number of camera companies built models based on the Leica rangefinder design. A handful of rangefinder cameras also support interchangeable lenses. The coincidence rangefinder uses a single eyepiece. The gunner had a rangefinder and a periscope telescopic sight. The rangefinder and lens focusing mechanism may or may not be coupled. This camera is the first digital rangefinder on the market. It is the only camera with a rangefinder made by Minox. Each gun turret was equipped with an rangefinder. Each turret was fitted with a stereo rangefinder. An additional 9-foot rangefinder was installed on the compass platform. This panoramic sight has optical, low-level laser rangefinder and television channels. Each turret was also fitted with a 15-foot rangefinder. Each turret was also fitted with a rangefinder. It is mounted coaxially with an optic rangefinder. It was also used to test the new EMES-13 optical rangefinder.