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Front and rear views of a Canon EF50mm f/1.4 USM. The EF 50mm lenses are a group of normal prime lenses made by Canon that share the same focal length.These lenses are based on the classic double-Gauss lens, [1] with the f/1.8 being a standard six-element double-Gauss with an air gap and powers between element 2 and 3 [1] and its faster cousins adding additional elements. [2]
Canon FD 50 mm f /1.4 on AE-1 Program. Like its FL predecessor, the FD mount system allowed automatic diaphragm function, but in addition, a new signal pin supported full-aperture metering. A second signal pin for the "auto" setting of the aperture dial, plus a linkage to allow the camera to set the degree of diaphragm opening, enabled integral ...
As of 2023, Canon also makes autofocus 50mm and 85mm f / 1.2 lenses, while Nikon makes a manual focus 58mm f / 0.95 lens and autofocus 50 and 85mm f / 1.2 lenses; see Canon EF 50mm lenses and Canon EF 85mm lenses for details. Pentax makes a 50mm f / 1.4 lens and 55mm f / 1.4 lens for APS-C cameras; see Pentax lenses.
The 100 mm f/2 on the left is incompatible with Canon Extenders, unlike the 70-200mm f/2.8 IS on the right. 300mm f/2.8 IS lens, no extender 300mm f/2.8 IS lens, 1.4× extender 300mm f/2.8 IS lens, 2.0× extender. These Extender EF lenses can only be used with lenses that have a compatible mount.
Suitable adapters (from EF to M or from EF-S to M) are made by Canon as well as third party manufacturers. As is common with mirrorless systems, the adapter solution is not backwards-compatible with Canon's DSLR cameras: this means that you cannot put M lenses on a non-M DSLR. [1] The EOS EF-M system was discontinued in October 2023. [2]
The Canon FD 55mm ƒ/1.2 AL is a camera lens made by Canon, first introduced alongside the Canon F-1 single-lens reflex camera in March 1971. It was the first lens for any 35mm SLR system to incorporate an aspherical element. [1] The lens was manufactured until 1980.
The Canon EF is a manual focus 35mm single-lens reflex camera produced by Canon between 1973 and 1978. It was compatible with Canon's FD-mount lenses. The EF was built as an electro-mechanical version of Canon's top-of-the line wholly mechanical Canon F-1. The shutter is mechanical at all speeds ½ second and faster, but at 1 second and longer ...
Canon RF 50mm F1.2L USM: 2018-09-05 50 77 108 89.8 950 16 0.4 0.19 Canon RF 50mm F1.8 STM: 2020-12-01 50 43 69.2 40.5 160 22 0.3 0.25 Canon RF-S 55–210 mm F5–7.1 IS STM: 2023-02-08 4.5 stage stabilitzer: 55 210 55 135 69 270 32 22 0.73 1 0.28 0.05 Canon RF 70-200mm F2.8L IS USM: 2019-11-01 5 stage stabilizer: 70 200 77 146 89.9 1070 32 0.7 0.23