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Canon New FD lens mounting surface.. The FD lens mount is a breech-lock mount, which is a variation of the common triple-flanged bayonet attachment. The advantage of the breech-lock over the bayonet is that neither the contact surfaces between the body and lens, nor the signalling mechanisms, rotate against each other when the lens is mounted.
Canon in 2010 was the first to create a lens with Fluoride coating. That lens was the Canon EF 70-300mm f/4-5.6L IS USM. Canon in 2011 made the first fisheye zoom lens, both circular and rectangular. That lens was the Canon EF 8-15mm f/4L Fisheye USM. Canon in 2012 made the first wide angle lens with Image Stabilization. That lens was the Canon ...
The EF is the only camera in the manual focus Canon line of the 1960s and 1970s (which includes the FTb, the F-1, and the FT) that can be used with common 1.5 volt batteries without modification to the internal electronics. Like all pre-1987 Canon SLR's, the EF accepted Canon FD mount lenses.
All New FD lenses were Super Spectra Coated, and thus the distinguishing nomenclature was no longer needed. 200 mm f / 1.8 L: This was Canon's final FD lens, introduced in November 1989, a year after its autofocus Canon EF equivalent, the EF 200 mm f / 1.8 L, due to demand from photographers yet to switch from the FD to the EOS system. [4] [5]
Canon FX with FL 50mm f/1.8. Canon FL refers to a lens mount standard for 35mm single-lens reflex cameras from Canon. It was introduced in April 1964 with the Canon FX camera, replacing the previous Canon R lens mount. The FL mount was in turn replaced in 1971 by the Canon FD lens mount. FL lenses can also be used on FD-mount cameras.
The Canon FD 35mm f/2.0 lens was manufactured by Canon for the FD lens mount. It was sold in several variations after it was introduced in 1971, and was the fastest Canon lens in the 35mm focal length before the debut of the EF 35mm f1.4.