5D TC focussing

[CVYE]

AF available at f8 (like 1D) or f5.6 (like 20D) with a teleconverter?

[francois]

AF available at f8 (like 1D) or f5.6 (like 20D) with a teleconverter?
[a href=\"index.php?act=findpost&pid=54164\"][{POST_SNAPBACK}][/a]

From the user manual (p74):
<<If an Extender (optional) is attached and the maximum aperture of the lens is f/5.6 or smaller, AF will not be possible. For details, see Extender's instructions.>>

So, only the 1D bodies can use AF at f/8