Canon EF 300mm f/4L IS USM Lens Tested on the EOS 5Ds R

Image quality results from the Canon EOS 5Ds R have been added to the Canon EF 300mm f/4L IS USM Lens Review.

Here are some comparisons you might find interesting:

Canon EF 300mm f/4L IS vs. Canon 300mm f/2.8L IS II
Canon EF 300mm f/4L IS w/ 1.4x vs. Canon 100-400mm f/4.5-5.6L II IS
Canon EF 300mm f/4L IS vs. Canon 100-400mm f/4.5-5.6L II IS at 300mm
Canon EF 300mm f/4L IS vs. Canon 200mm f/2.8L II w/ 1.4x

EOS 5Ds R results from the Canon EF 400mm f/5.6L USM Lens are coming soon. The 300mm f/4L IS plus 1.4x vs. 400mm f/5.6L comparison is always a good one.

B&H has the Canon EF 300mm f/4L IS USM Lens in stock w/ a 4% reward.