Battle of the Bokeh: Canon 70-200mm f/ IS II USM vs Sigma 70-200mm OS HSM

In this first Battle of the Bokeh for season 2 (7th in the series), we take a look at two zoom lenses that we recently reviewed: the Sigma 70-200mm OS HSM and the Canon 70-200mm f/2.8 IS II USM. Which one will win this battle of the bokeh? Watch the video and vote!