Canon R lens mount

The Canon R lens mount is a physical standard for connecting a camera lens to a 35mm single-lens reflex camera body. It was introduced in March 1959 along with the Canon Canonflex.

Not to be confused with Canon RF mount.
Canon FL Lens 28mm vs Super-Canomatic Lens R 50mm

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. The mechanism for controlling the aperture is different from both the later FL and FD mount, although they physically still can mate with most adapters.

Rear of Canon FL 28mm Lens and Super-Canomatic Lens R 50mm

R cameras

R lenses

Source:[6]

Canon FL Lens 28mm and Super-Canomatic Lens R 50mm as seen from the front

Zoom
  • 55-135mm f/3.5 (1963)

Wide-angle (under 50mm)
  • 35mm f/2.5 (1960)

Standard (50–60mm)
  • 50mm f/1.8 I (1959)
  • 50mm f/1.8 II (1960)
  • 50mm f/1.8 III (1963)
  • 58mm f/1.2 (1962)

Telephoto (above 60mm)
  • 85mm f/1.8 (1961)
  • 85mm f/1.9 (1960)
  • 100mm f/2 (1959)
  • 100mm f/3.5 I (1961)
  • 100mm f/3.5 II (1963)
  • 135mm f/2.5 (1960)
  • 135mm f/3.5 I (1959)
  • 135mm f/3.5 II (1961)
  • 200mm f/3.5 (1959)
  • 300mm f/4 (1960)
  • 400mm f/4.5 (1960)
  • 600mm f/5.6 (1960)
  • 800mm f/8 (1960)
  • 1000mm f/11 (1960)
  • 2000mm f/11 (1960)

References
  1. "Canonflex - Canon Camera Museum". global.canon. Retrieved January 15, 2018.
  2. Gandy, Stephen (November 25, 2003). "Canonflex". Retrieved January 15, 2018.
  3. "Canonflex R2000 - Canon Camera Museum". global.canon. Retrieved January 15, 2018.
  4. "Canonflex RP - Canon Camera Museum". global.canon. Retrieved January 15, 2018.
  5. "Canonflex RM - Canon Camera Museum". global.canon. Retrieved January 15, 2018.
  6. "View by series - Canon Camera Museum". global.canon. Retrieved January 15, 2018.


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