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About: Canon Extender EF     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatCanonEFLensesyago:Artifact100021939yago:Device103183080yago:Instrumentality103575240yago:Lens103656484yago:Object100002684yago:OpticalDevice103851341yago:PhysicalEntity100001930Bandyago:Whole100003553 New Facet based on Instances of this Class

The Canon Extender EF lenses are a group of teleconverter lenses made by Canon. These lenses are used between any compatible EF type lens and any of the Canon EOS line of cameras. When used with a compatible lens, they will multiply the focal length of the lens by a factor of either 1.4x or 2x, at the cost of decreasing the lens' aperture by 1 or 2 stops respectively. For example, using a 1.4x or 2x extender with the Canon EF 500mm f/4L IS USM would result in a 700mm f/5.6 or 1000mm f/8 lens.