Optimized for sports, wildlife, and nature shooting, the <b>RF 600mm f/4 L IS USM Lens</b> from <b>Canon</b> offers professional and advanced photographers the excellent image quality of a Canon L-series lens. Designed exclusively for EOS R-series cameras, this super telephoto lens is distinguished by its advanced, lightweight design, quick and intuitive handling, and high-speed performance. Optically identical to the EF 600mm f/4 IS III USM lens, the lens features three modes of optical image stabilization with up to 5.5 stops of shake correction to deliver extremely sharp results whether hand-held or mounted on a monopod.