Canon EOS - X, found some lenses that may not work..

Started Nov 9, 2011 | Discussions thread
MM1 Senior Member • Posts: 1,504
Re: I tired the Tamron 200mm - 500mm f/5-6.3 on....

RedFox88 wrote:

ScottieC wrote:

Tamron 200mm - 500mm f/5-6.3 SP Di on my 1D Mark II and extended it to 500mm and it reports f/6.3. I then mounted it to my 5D Mark II and had the same results....

Like the other replier, did you lens autofocus? My Sigma 50-500 f/4-f/6.3 autofocus just fine on my Drebel, 5D, EOS-3, and EOS-1v. What the camera is being told the lens is and the aperture readout inside the camera may very well be different things.

To end your feeble attempt at a enlightening thread, there isn't a lens in production today for the EF or EF-s mount that won't autofocus on a Canon dSLR.

Ummm, several of the TS-E lenses? Okay, okay, just a joke

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