High-performance L-series super-telephoto lens, with 2 stop Image Stabilizer technology in 2 selectable modes ideal for tracking action perfect for subjects within sports and wildlife. The in-built Ultra-Sonic Motor (USM) drives fast and quiet Auto Focus with optional full manual override and the f/4 aperture at the 300mm focal length provides beautiful background blur, and the lightweight, portable build makes it ideal for photographers on-the-go. Benefits Professional 300 mm super-telephoto lens, for all types of sport and wildlife photography Lightweight and portable build for photographers on-the-go 2 stop Image Stabilizer technology reduces camera shake, enabling hand-held photography in low-light with 2 selectable modes ideal for tracking action The in-built Ultra-Sonic Motor (USM) drives fast and quiet Auto Focus with optional full manual override Enhance your images and reduce ghosting and flare with SWC glass coating Compatible with all Canon DSLR cameras and EOS-M mirrorless cameras with an EF-EOS M Mount adapter What\'s in the box EF 300mm f/4L IS USM Lens Dust Cap E Lens Cap E-77U Lens Case LZ1128 User Manual Good for Wildlife Action See all specifications