Ideal for wide range of shooting applications, including sports and natureStylish, light and easy to carry with high quality aluminium alloy finish on barrelOptical SteadyShot image stabilisation within lens for crisp, stable handheld shooting. Silent mechanism during movie recordingTwo ED glass elements and two aspherical elements for excellent optical performance across zoom rangeQuiet, responsive autofocus with internal AF mechanism: ideal for still and HD movie shooting7-blade circular aperture for beautiful defocus effectsDirect Manual Focus with non-rotating focus ring during AF: ideal for precise, comfortable manual focus adjustments