canon rf f/5.6-8 is usm lens

RF-Mount Lens/Full-Frame Format | Aperture Range: f/5.6 to f/45 | One UD Element, One Aspherical Element | Super Spectra Coating | Nano USM AF Motor | Maximum Magnification: 0.41x at 400mm | Optical Image Stabilizer | Customizable Control Ring | Rounded 9-Blade Diaphragm