A new and improved Canon EF lens;The EF 70-200mm f/2.8L IS II USM Lens trumps its predecessor with exceptional performance, increased speed and optical quality.;Optical Image Stabiliser and Ultrasonic Focusing Motor;The IS II Optical Image Stabiliser offers up to 4 stops of correction at all focal lengths, with two modes of stabilisation to capture both still and moving subjects. The lens is also equipped with an Ultrasonic Focusing Motor to provide you with rapid and near-silent autofocus. Manual focus override lets you make precise manual adjustments, even when autofocus mode is active.;High-resolution and high-contrast imaging in any environment;This telephoto zoom lens has a tightly sealed structure to ensure resistance to dust and moisture, equipped to operate in the most challenging of environments. Fluorite and ultra-low dispersion lens elements work to reduce aberrations and enable high resolution, high-contrast imaging.