100-400mm f/4.5-5.6L IS II with EF 1.4x III incompatibility

Started 3 months ago | Questions thread
AnthonyL Veteran Member • Posts: 3,563
Re: 100-400mm f/4.5-5.6L IS II with EF 1.4x III incompatibility

arijuki wrote:

NikonHaoleboy wrote:

Thanks Abbott, I have the 100-400mm f/4.5-5.6L IS II which is an EF L lens. I use Canon 6D and SL1 cameras, I have cleaned the contacts on lens, converter and both cameras to no avail.

It is about camera (6d), not lens + extender combination. See e.g. https://www.dpreview.com/forums/thread/3787861

I had the same issue when I tried that combination on my 700D. Strangely the Kenko Teleplus HD 1.4x DGX for Canon EOS EF/EF-s works on ALL my Canon lenses.  However this is not a recommendation as I'm not overly impressed with the speed/ease of focussing nor the final image results.

 AnthonyL's gear list:AnthonyL's gear list
Canon EOS 700D Canon EF-S 10-22mm F3.5-4.5 USM Canon EF-S 55-250mm f/4-5.6 IS Canon EF 40mm f/2.8 STM Canon EF-S 18-55mm f/3.5-5.6 IS STM +5 more
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