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The Canon EF 300mm f/2.8L IS II USM Telephoto Lens is the perfect choice for nature, wildlife and sports photographers. The lens is extremely light for its class and the Image Stabilization system offers up to four extra stops of performance. The EF 300mm f/2.8L IS II USM features Fluorite optics that deliver sharper images with less chromatic aberration, and Fluorine coating that keeps soiling, smears and fingerprints to a minimum. With a super-telephoto focal length, fast aperture and outstanding image quality, this lens provides reliability and exceptional results expected from the Canon line of L lenses.With a third Image Stabilization mode (Mode 3) that activates IS only when the shutter button is fully pressed, and giving the equivalent effect of a shutter speed four stops faster, the EF 300mm f/2.8L IS II USM allows for easy panning and is ideally positioned for professional action photography. Fast, quiet Auto Focusing (AF) is provided by a ring-type fast Ultra-Sonic Motor (USM), dedicated AF algorithms and a high-speed CPU, which offers quick and accurate focusing during shooting. Photographers can also utilize full-time manual focusing functionality, which enables the adjustment and fine-tuning of focus even when the AF system is activated, providing even greater control over image capture. The Power Focus mode aids focusing during video shooting, allowing the photographer to smoothly adjust focus during filming by twisting the focus recall ring. With a security slot for wire-type security locks, buttons and switches are redesigned for intuitive, deliberate operation, and dust and water sealing keeps the lens functioning flawlessly in even the most challenging environments. A third Image Stabilization mode (Mode 3) activates IS only when the shutter button is fully pressed, and gives the equivalent effect of a shutter speed four stops faster The Power Focus mode aids focusing during video shooting, allowing the photographer to smoothly adjust focus during filming by twisting the focus recall ring Fast, quiet Auto Focusing (AF) is provided by a ring-type USM, dedicated AF algorithms and a high-speed CPU, which offers quick and accurate focusing during shooting At 5.18 lbs (2350g) the lens is extremely light for its class Fluorite optics deliver sharper images with less chromatic aberration, and Fluorine coating keeps soiling, smears and fingerprints to a minimum Focus adjustment is with the inner focusing system, with focusing cam Full-time manual focus for instant switching from AF to Manual operation Lens has a security slot for wire-type locks to prevent theft Product Highlights L-Series Optics Optical Image Stabilization - 3 Modes Fast Ultra-Sonic Motor (USM) Autofocus Full-time Manual Focusing Functionality High-speed CPU Autofocus Stop Feature Dust and Water Resistant Fluorite Glass for Improved Quality Protective Fluorine Lens Coating Security Slot for Wire-Type Locks
