Smooth, quiet autofocus, Telephoto zoom lens with powerful 11x magnification range, Stylish, high quality aluminum alloy detailing on barrel, Wide zoom range ideal for travel and all-purpose shooting, Optical SteadyShot image stabilization within lens for crisper, clearer handheld shooting at all zoom settings, Silent mechanism during movie shooting, High-performance optics with 4 aspheric surfaces for excellent contrast and sharpness, Smooth, quiet, high-speed autofocus and aperture adjustment: ideal for still and HD movie shooting, 7-blade circular aperture for beautiful defocus effects, Direct manual focus with non-rotating focus ring during AF,