Canon EF 400mm f/5.6L USM Lens Tested on the EOS 5Ds R

Image quality results from the Canon EOS 5Ds R have been added to the Canon EF 400mm f/5.6L USM Lens Review.
 
This lens is looking sharp. Let’s look at some comparisons:
 
Canon 400mm f/5.6L vs Canon 300mm f/4L IS with 1.4x
Canon 400mm f/5.6L vs Canon 400mm f/2.8L IS II
Canon 400mm f/5.6L vs Canon 300mm f/2.8L IS II with 1.4x
Canon 400mm f/5.6L vs Canon 100-400mm f/4.5-5.6L IS II
Canon 400mm f/5.6L vs Canon 70-200mm f/2.8L IS II with 2x
 
B&H has the Canon EF 400mm f/5.6L USM Lens in stock with a $ 70.00 instant rebate and 4% reward.