Lens Review: Canon 2x Extender EF III
By
Andrew Alexander, The Imaging Resource
(Monday, October 17, 2011 - 09:42 EDT)
Over on SLRgear.com we conclude our look at Canon's Extender series of teleconverters, with a full review of the 2x Extender EF III. Released at the end of last year, the III series changed the optical configuration, as well as adding autofocus improvements and weather sealing. Did it improve the effect on image quality, too? Find out by reading our full review of the Canon 2x Extender EF III.
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