Originally Posted by Xenedis Canon tele-converters are only compatible with the following lenses: any L-series prime 135mm or longer;all four 70-200mm L zooms;the 100-400mm L zoom; andthe 400/4 DO IS. Works fine with my Sigma F2.8 120-300.
cheers Kerro I shoot with Canon cameras and Canon and Sigma lenses and now a Mavic Pro too
Originally Posted by Kerro Works fine with my Sigma F2.8 120-300. I'm not familiar with third-party lenses, but naturally Canon only states with which of its own lenses the tele-converters are compatible.
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