Topcon Super DM
|image by Vagn Sloth-Madsen (Image rights)|
It uses an interchangeable lens system based on the Exakta lens mount. The most common lens with this camera is the RE GN M 50mm f/1.8 or f/1.4 Topcor. The focal plane shutter has speeds from 1s to 1/1000 plus B. The shutter release button has a standard cable release screw and surround by a lock to prevent accidental exposures. Flash sync is at 1/60 a sec. It features an metering system using a CdS photo cell. The meter has a range of 2 to 16 EV at (ASA 100, f/1.4), settable to film speeds from 25 to 1600 ASA. Focusing is controlled on the lens barrel, with a split image rangefinder on the focusing screen. The focus screens are interchangeable with 5 different types. The film transport uses a single stroke film advance lever. A motor drive option is available. Film is rewound with a rewind crank and is powered by a 1.3v mercury battery.