Canon RF 100-400mm f/5.6-8 IS USM Lens with Weatherproof Hard Case BundleCanon RF 100 400mm f 5. 6 8 IS USM Lens The Canon RF100 400mm F5. 6 8 IS USM is a compact, lightweight telephoto zoom lens ideal for travel and nature photography, offering Full Frame coverage and a versatile 100400mm range. It features up to 5. 5 stops of Optical Image Stabilization, or up to 6 stops when paired with EOS R series cameras with In Body IS. With a minimum focus distance of 2. 89 feet at 200mm and a 0. 41x max magnification at 400mm, it