The Olympus 14-35mm f/2 ED lens is wide-angle lens with a fast and constant f/2 aperture throughout the zoom. This lens works great with everything from landscapes, portraits as well as photojournalism because of its great ability in low-light situations. The auto focus is powered by Olympus SWD system which is fast and highly accurate. The focus is very close and throughout the zoom range. This lens will produce crisp, high quality photos with minimum color blurring because of the high quality ED lens elements.