| Canon EF (Full-frame) Landscape lenses that have a Canon USM focus motor and have a 300mm or longer focal length | | | | | Max focal length | 300 mm | | | Diameter | 91 mm | | | | | Focus motor | Canon USM | | | Auto focus | Yes | | | | | Weight | 1.7 kg | | | Zoom range | 10.7x | | | | | Length | 183 mm | | | Fixed aperture | No | | | | | | | | | |