Relatively sleek despite its super-telephoto reach, the Canon RF 800mm f/5.6 L IS USM is an impressive prime meshing top-of-the-line performance with an updated compact and lightweight design. Ideal for sports, wildlife, and journalism applications, this long lens offers a distinctly tight field of view for isolating distant subjects, along with responsive AF and image stabilization, reliable weather-sealing, and intuitive handling for dependable use in fast-paced situations.