An all purpose 18 135mm zoom lens with stm technology stm provides smooth quiet auto focusing for movies and dynamic image stabilizer reduces vibrations in video footage versatile and powerful zoom a compact versatile lens suited to a variety of subjects and ideal for travel photography a 18 135mm zoom range offers the same angle of view as a 29 216mm lens on a full frame camera shoot with af in movies using stm technology movie servo af uses stm stepping motor technology for smooth quie