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The R mount was used on Canon's first single lens reflex (SLR) camera. The mount employed a "breech lock" system to attach the lens to the camera body. [1] The R mount was discontinued in 1964 and replaced with the Canon FL lens mount. [2] Many mirrorless interchangeable-lens cameras are able to use Canon R lenses via an adapter.
It was the first of Canon's "EOS R System" [9] of mirrorless interchangeable-lens cameras, and it was the first camera to use Canon's RF lens mount. [8] Canon announced the EOS R a few days after rival Nikon announced their first full-frame mirrorless interchangeable-lens camera, the Nikon Z 7. [10]
Canon full-frame cameras have used the EF lens mount since 1987. In comparison with that mount, the RF mount's inner diameter is the same at 54 mm. [1] The RF mount's flange focal distance at 20 mm is much shorter than that of the Canon EF and EF-S mounts at 44 mm.
Canon FX with FL 50mm f/1.8. Canon FL refers to a lens mount standard for 35mm single-lens reflex cameras from Canon. It was introduced in April 1964 with the Canon FX camera, replacing the previous Canon R lens mount. The FL mount was in turn replaced in 1971 by the Canon FD lens mount. FL lenses can also be used on FD-mount cameras.
Canomatic and R-series lenses use semi-automatic or manual diaphragms. Though the breech-lock mount itself remained unchanged until the introduction of the EF lenses for EOS autofocus cameras in the late 1980s, the actuating levers of the Canomatic or R-series lenses operate differently from their FL and FD descendants.
Cameras by mount (8 C) Photographic lenses by mount (15 C) D. ... Canon R lens mount; Canon RF lens mount; Carl Zeiss A-mount; Carl Zeiss E-mount; Contax G-mount;
Canon New FD lens mounting surface.. The FD lens mount is a breech-lock mount, which is a variation of the common triple-flanged bayonet attachment. The advantage of the breech-lock over the bayonet is that neither the contact surfaces between the body and lens, nor the signalling mechanisms, rotate against each other when the lens is mounted.
Pages in category "Canon R cameras" The following 2 pages are in this category, out of 2 total. ... Canon Canonflex; Canon R lens mount This page was ...