Olympus 40-150mm f/4.0-5.6 ED Zuiko Digital Lens for Olympus Digital SLR Cameras

..Marketing description is not available. weight in its class, this cost-efficient 3.8x telephoto lens uses an ED (Extra-low Dispersion) lens element for optimum correction of chromatic aberrations. Incorporating a circular aperture diaphragm for beautiful defocusing, this lens assures high picture quality throughout the zoom range, as well as providing an astonishingly short closest focusing distance of 90cm throughout the zoom range.