minor changes Mamiya RB67 Professional GL (1982) — special edition of the Pro-S Mamiya RB67 Professional SD (1990) — new, larger lens throat; older lenses require an adapter Mamiya RZ67 Professional (1982) — electronic 6 cm × 7 cm SLR medium-format camera Mamiya RZ67 Professional II (1995) — upgraded electronics Mamiya RZ67 Professional IID (2004-2014) — added communication interface for digital backs Mamiya 7 (1995–1999) — electronic 6 cm × 7 cm rangefinder camera Mamiya 7 II (1999-2011) — added multi-exposure capability and other minor improvements Camera bodies: 35mm format Lenses See also List of photographic equipment makers References External links Mamiya Leaf Mamiya Digital Imaging Co., Ltd. (Mamiya Japan) マミヤ・オーピー (Mamiya Op Co., Ltd.) separate electronic and golf products company Cameras Photography companies of Japan Electronics companies of Japan Technology companies established in 1940 Manufacturing companies based in Tokyo Japanese brands 1940 establishments in Japan