Production Description:-

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