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.

The EF-mount covers lenses that fit the best Canon EOS DSLRs, which even in this age of mirrorless are some of the most ...

The advent of the mirrorless Canon EOS R system is hardly news, with the first camera and lenses dating ... AstrHori 25mm F2.8 Macro 2.0x-5.0x, Canon RF 400mm f/2.8L IS USM, Fujifilm GF 50mm ...