TheCanon RF 100-300mm f2.8 L IS USM Lens is a professional full-frame telephoto zoom built for EOS R mirrorless cameras. Designed for sports, wildlife, and fast-action photography, its bright f/2.8 constant aperture delivers exceptional low-light performance and beautiful subject isolation throughout the zoom range. The lens features a dual Nano USM autofocus system for ultra-fast, silent, and precise focusing, combined with a floating focus design that ensures sharp image quality at any distance. Its 5.5-stop image stabilization keeps shots steady, even handheld, while internal zoom and focusing maintain a compact form factor. Optically, the lens uses fluorite, UD, and aspherical elements along with ASC, SSC, and fluorine coatings to minimize chromatic aberration, flare, and ghosting. Weather-sealed construction ensures reliable performance in challenging conditions. Additional features include a function/focus preset selector switch for quick customization, making this L-series lens an ideal choice for professional photographers seeking speed, versatility, and unmatched image quality.

Canon RF 100-300mm f2.8 L IS USM Lens