Canon 1.4x 111 extender or the Kenko DGX Pro 300

Started Apr 13, 2012 | Discussions thread
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Mike Engles
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Canon 1.4x 111 extender or the Kenko DGX Pro 300
Apr 13, 2012

Hello

I am considering one of these to get extra reach with my 100-400 zoom on a 5D2 and perhaps a 5D3 or a higher resolution Canon FF some time in the near future Would the much larger cost of the Canon be justified by its better quality or is that really a marginal difference between the extenders?

I realise that in order to get or attempt to get AF, various contacts on the combination need to be blocked. So should the contacts on the lens or the extender be blocked?

Mike Engles

Canon EOS 5D Mark II Canon EOS 5D Mark III
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