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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]
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.
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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.
Canon made two fast lenses, the FL 50mm 1:1.4 and the FL 58mm 1:1.2, in order to compensate for the light loss. As the shutter curtain is permanently exposed to light without being protected by a moving mirror, a metal, rather than fabric curtain is used, which prevents the possibility of burning by being accidentally pointed at the sun, with ...
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.
In 1987 Canon was the first to use USM (Ultrasonic Motor) with the Canon EF 300mm f/2.8L USM. [19] In 1989 Canon was the first to create a full frame f/1.0 AF (AutoFocus) lens and the only one until today with the Canon EF 50mm f/1.0L USM. In 1993 Canon was the first to create an interchangeable 10× superzoom lens for SLR cameras.
The Canon T50, introduced in March 1983 and discontinued in December 1989, was the first in Canon's new T series of 35mm single-lens reflex cameras compatible with Canon's FD lens mount. SLR sales were falling in 1983 from the market's 1981 peak, and Canon chose to try greater automation to revive sales and remain competitive.