Quote Originally Posted by Kayaker72 View Post
Probably, at some point, I'll figure out how to try the 100-400II +1.4tc vs the Sigma side by side. Evaluate IQ, IS, AF, bokeh, size and weight. But for now, I'll keep shooting with the Sigma. For my kit, I am really looking for something for as much reach as possible within my price range.
IMHO, just shoot with it. If it delivers the goods then enjoy it. If it doesn't then flip it and get something else.

Dave