Dpreview field test, the 70-200/4 shootout

DPReviewTV compared the tamron 70-200 F4, the Nikon 70-200 F4 and the new Canon 70-200 F4L IS II, in this video.

Interesting, the Canon was found to be visually best of the three, with Tamron and Nikon more closer in image quality to each.

Canon set to announce the Powershot SX 740 HS shortly Dustin Abbott does a first look of the 70-200L F/4L IS II