In summary, the Canon EF 400mm f/2.8L IS III USM lens is a superb performer. You can view additional images in the Equipment Database, where you can add your own review, photos and product ratings.

From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...

Canon has some truly fabulous lenses in their EF and RF mounts. From fish-eye to tilt shifts to super telephoto zooms, Canon’s lenses are built on character and incredibly reliable, even if they can ...