Canon EF 24mm lens
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Canon Inc.
Canon Inc.
is a Japanese multinational corporation that specialises in the manufacture of imaging and optical products, including cameras, camcorders, photocopiers, steppers and computer printers. Its headquarters are located in Ōta, Tokyo, Japan.-Origins:...

 has produced five different 24mm lenses for its Canon EF lens mount
Canon EF lens mount
Introduced in 1987, the EF lens mount is the standard lens mount on the Canon EOS family of SLR film and digital cameras. EF stands for "Electro-Focus": automatic focusing on EF lenses is handled by a dedicated electric motor built into the lens...

. Two are discontinued.
  • EF 24mm 1.4L USM, introduced December 1997. (discontinued in 2008, replaced by EF 24mm 1.4L II USM)

  • EF 24mm 1.4L II USM, introduced December 2008.

  • EF 24mm 2.8, introduced November 1988.

  • TS-E 24mm 3.5L, introduced April 1991. (discontinued, replaced by TS-E 24mm 3.5L II)

  • TS-E 24mm 3.5L II, introduced June 2009.
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