Lens Review: Canon 300mm f/2.8 IS II USM

Canon updated its line of mid-range telephoto prime lenses in August of 2010 - the 300mm and 400mm f/2.8 lenses, specifically - and we've put them both in the lab to see what's new. The Canon 300mm f/2.8 IS II USM lens has been completely redesigned, incorporating a laundry list of changes that look to have been drawn from real-world feedback and improvements in Canon's lens technology. Click here to see how the new lens stacks up, in our full review of the Canon EF 300mm f/2.8 IS II USM lens.