Quote Originally Posted by cyoung315 View Post
I'm considering returning my Sigma 150-500 and getting the Canon 70-200 with a 1.4 teleconverter to keep the range for wildlife shots. My hesitation there is loss of OS and f stops Thoughts?
Canon
70-200 F4 L IMAGE STABILIZATION - $1,014 used - http://www.keh.com/camera/Canon-EOS-...99089813R?r=FE

About the cost of the sigma.

I agree with others though, 85mm prime