Products — Shoot-Out

With the recent addition of Canon's 16-35 f/4 IS, I was curious how it stacks up against the 16-35 f/2.8 version of the lens, and I also decided I'd add in the Nikon version to compare all three. For the purposes of this review, I'll refer to the lenses as follows: Canon 16-35 f/4 L IS as the "IS" lens...