Canon EF
Encyclopedia
Canon EF can refer to a specific product or a product line:
- Canon EF cameraCanon EF cameraThis article is about an FD-mount 35mm SLR camera from the 1970s. For Canon's electrical autofocus lens mount introduced in the EOS series, see Canon EF lens mount....
(A manual focus 35mm135 filmThe term 135 was introduced by Kodak in 1934 as a designation for cartridge film wide, specifically for still photography. It quickly grew in popularity, surpassing 120 film by the late 1960s to become the most popular photographic film format...
SLRSingle-lens reflex cameraA single-lens reflex camera is a camera that typically uses a semi-automatic moving mirror system that permits the photographer to see exactly what will be captured by the film or digital imaging system, as opposed to pre-SLR cameras where the view through the viewfinder could be significantly...
) - Canon EF lens mountCanon EF lens mountIntroduced 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...
(A line of "electro-focus" lensesPhotographic lensA camera lens is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.While in principle a simple convex lens will suffice, in...
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