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ddk632 · 10-04-2013, 01:19 PM

So I just got the 100-400L (exciting) and the 2.0 TC ...

And it doesn't work with the TC at all ... shows 00 where aperture should display, and shutter won't depress - any ideas? I'll try and do the 6D firmware from April to see if it fixes.

Coming to think of it, my 6D does the same thing with my Kenko 1.5x TC -- I thought it was incompatible because it's an old TC, but maybe there's something wrong with my 6D when it comes to recognizing a TC in general? Sort of bummed but the 100-400L will still be kick-ass to use at the track and better than my 70-300 (non L).

10-04-2013, 01:19 PM	#4600
ddk632 Chief Senior Executive Managing VP of Orange Sales 585 Rep 2,581 Posts Drives: 17 BMW F87 M2 6MT MG HBDGR ! Join Date: Mar 2012 Location: Aventura, FL iTrader: (2)	So I just got the 100-400L (exciting) and the 2.0 TC ... And it doesn't work with the TC at all ... shows 00 where aperture should display, and shutter won't depress - any ideas? I'll try and do the 6D firmware from April to see if it fixes. Coming to think of it, my 6D does the same thing with my Kenko 1.5x TC -- I thought it was incompatible because it's an old TC, but maybe there's something wrong with my 6D when it comes to recognizing a TC in general? Sort of bummed but the 100-400L will still be kick-ass to use at the track and better than my 70-300 (non L). Last edited by ddk632; 10-04-2013 at 01:52 PM..
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