The M. Zuiko Digital ED 9-18mm F4.0-5.6 (35mm equivalent 18-36mm) lens is designed to maximize the performance advantages of the Micro Four Thirds System, and it’s significantly lighter and more compact–easily fitting in a jacket pocket. The new lens, made with ED (extra-low dispersion) glass for superior image quality, complements the design of the PEN cameras, including the powerfully simple E-PL1, making it the all-in-one package for consumers with any skill level, including those who are new to photography. The Micro Four Thirds System standard meets the telecentric requirements of dedicated digital design. Light rays strike the imaging element nearly head-on for optimum edge-to-edge image reproduction. It also enables much more compact design than the Four Thirds System standard (or other interchangeable lens systems) because it reduces the outer diameter of the lens mount by 6mm, and the distance from the lens mount to the sensor (the fla (click here for further information)
