Another problem with the 40D +TC+100-400L IS

Started Oct 5, 2007 | Discussions thread
WarbirdFZ5
Regular MemberPosts: 146
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Re: Another problem with the 40D +TC+100-400L IS
In reply to elroyie, Oct 6, 2007

That problem is on the 30D to!

I started a discussion in a swedish forum some months ago about this but no real answers.
It is in swedish but you can always look at the pictures...
http://www.fotosidan.se/forum/showthread.php?threadid=74881

30D, Kenko PRO 300 1.4x and/or 2x and IS does not work unless the lens is fully open. At 5.6 it works as it should. I had hopes that changing to 40D would take the error away, but no. Same problem, so this week I bought a Canon 1.4 instead and now it is working.

Edit: I noticed that I had the same problem on my 400D but not on my 300D.
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