A Guide to the Canon EF Lens Mount
In 1987 Canon released the EOS EF mount and conquered the camera market.
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Fun & Affordable Canon 5D mark II Lenses for Photography
Canon released 162 EF lenses that can be used with the 5D mark II. That includes different versions of lenses with the same focal length or focal range.
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What is Flange Focal Distance?
The Flange Focal Distance is the distance between a camera lens mount and the film plane or image sensor.
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