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The Canon F-1 is a 35 mm single-lens reflex camera produced by Canon of Japan from March 1971 until 1976's introduction of the mildly updated F-1n. Production of this revision to the F-1 continued until the end of 1981 at which time the F-1 was superseded by the New F-1 which was launched earlier in 1981. The new Canon FD lens mount was introduced along with the F-1, but the previous Canon FL-mount lenses were also compatible, although without open-aperture metering. Older R- series lenses could also be used with some limitations. The Canon F-1 was clearly placed as a solid competitor to the Nikon F and Nikon F2 line of single lens reflex cameras by Nikon. The F-1 was Canon's first truly professional-grade SLR system, supporting a huge variety of accessories and interchangeable parts so it could be adapted for different uses and preferences. In 1972 Canon launched a ''Highspeed'' model with a fixed pellicle mirror that allowed the user to see the subject at all times. Equipped with a motor drive the camera was able to shoot up to 9 frames per second, the highest speed of any motor driven camera at the time. A special commemorative model of the F-1 was offered for the 1976 Montreal Olympics. It was identical to the regular F-1 but for the Olympic emblem on the front upper left of the body. Canon also manufactured and sold commemorative 55 mm and (much harder to find) 58 mm lens caps with the 1976 Montreal Olympics for their normal lenses in production at the time. For the 1980 Winter Olympics in Lake Placid, a Special version of the F-1 with the engraved Lake Placid Olympic logo was offered. Special Lake Placid 52 mm lens caps were also made. In 1978 a military model called "ODF-1" (olive drab) with an all-over olive green finishing was presented. Canon, being the official sponsor of the World Cup, made 1978 55 mm lens caps and 1982 52 mm lens caps commemorating the 1978 and 1982 World Cup events. ==Revisions== In 1976, the camera was revised slightly. This revised version is sometimes called the F-1n (not to be confused with the 1981 New F-1). All told 13 improvements were made. These changes were: # Change the standard focusing screen from the A style (microprism only) to E style (split image with microprism ring). # Widen the film advance lever offset from 15 degrees to 30 degrees. # Decrease the winding stroke from 180 degrees to 139 degrees. # Increase the maximum ASA from 2000 to 3200. # Added a plastic tip to the advance lever. # Changed the mirror to transmit more blue light, thus making the image brighter. # Added a detent to the rewind crank to allow it to stay put when pulled out. # Added the capability to take a screw-in type PC sync socket. # Spring load the battery check position of the power switch. # Increase the size of the shutter release cup. # Added a soft rubber ring around the eyepiece. # Added a film reminder holder to the camera back. # Simplify multiple exposure procedure. The number of focusing screens was also expanded from four to nine. In 1980 Canon introduced "Laser Matte" focusing screens identified by an "L" in a circle on the screen's label. These Laser Matte screens were noticeably brighter than the earlier screens, and they were continued with the New F-1. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Canon F-1」の詳細全文を読む スポンサード リンク
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