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Canon 100/400 mm lens

Started Jan 23, 2014 | User reviews thread
Keith Z Leonard Veteran Member • Posts: 6,134
Re: Canon 100/400 mm lens

While I agree that the 100-400 is a fine lens, I would think it wise to wait for lens reviews of the tamron rather than make wild assumptions about the performance of an unreleased lens.  The 50-500 os performs quite well, for instance, so there are examples of quality 3rd party supertelephoto zooms.  I have used both the 50-500 and 100-400 (which I own), so I have done the comparison myself.

Additionally if you add a 1.4x teleconverter your camera will not AF with phase detection, leaving you only live view unless you have a 1dx or 5d3, and even then you only get center AF.

 Keith Z Leonard's gear list:Keith Z Leonard's gear list
Canon EF 70-200mm F4L USM Canon EF 100-400mm f/4.5-5.6L IS USM Sigma 50mm F1.4 EX DG HSM Canon EF 24-105mm f/4L IS USM Canon EOS 400D +16 more
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