the new RF lenses are fundamentally the same as their EF forebears. Canon RF 400mm F2.8L IS USM: Specifications Canon RF 400mm F2.8L IS USM: Price & Availability There’s no getting away from the ...

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.

As with its bodies, Sony's lenses can be surprisingly light. Even its 400mm f/2.8 is light enough to hand-hold for extended periods. Sony's lineup of lenses covers a range of scenarios ...