Olympus 11-22mm f/2.8-3.5 Zuiko Digital Zoom Lens for 4/3 Cameras 11-22 millimeter F2.8-3.5 wide-angle zoom lens (equivalent to 22-44 millimeter on a 35 millimeter film camera) Compatible with Olympus E1 and Evolt E300 cameras Designed to perfectly match the imager so light strikes the sensor directly, ensuring rich, accurate colors Two aspherical glass lenses that minimize distortion, spherical aberration and "Koma" aberration Utilizes a floating mechanism to deliver sharp, high contrast images