TC 1.4 and 70-300 Sigma APO

[deezeljuice]

Does anyone have the Sigma 70-300 APO zoom and the Sigma 1.4 TC? and does autofocus work when used together? And,, do you have any sample photos of the two together?
Actually, I would be happy for anyone to respond that just happens to know if they will work together.
Much Obliged.

[jyrgen]

Sigma TC-s don't fit physically to low-end lenses. They are similar to Canon ones. Now, Tamron and Kenko TC-s would fit, but autofocus would probably not work, and you certainly would not be happy with the quality of the photos.

[Cadwell]

Quite correct. The Sigma 1.4EX teleconvertor is not compatible with the Sigma 70-300mm APO zoom. The Sigma TC (like the Canon one) needs a lens with a recessed rear element.