High-magnification, super-telephoto L-series lens with 4 stop Image Stabilizer technology in 3 selectable modes ideal for tracking action perfect for subjects within sports and wildlife. Featuring a two-speed Power Focus Mode, the EF 500mm f/4L IS II USM can control focus to be adjusted at a smooth, constant speed ideal for shooting video. The in-built Ultra-Sonic Motor (USM) drives fast and quiet Auto Focus with optional full manual override and this lightweight lens is part of the Canon professional L-series flagship range, designed for robust handling and resistant to dust and moisture.BenefitsProfessional 500 mm high-magnification super-telephoto lens, for all types of sport and wildlife photography4 stop Image Stabilizer technology reduces camera shake, enabling hand-held photography in low-light with 3 selectable modes ideal for tracking actionThe in-built Ultra-Sonic Motor (USM) drives fast and quiet Auto Focus with optional full manual overrideTwo-speed Power Focus Mode allow