Ultra wide-angle zoom lens in compact size, based on the Micro Four Thirds System standard Ultra wide-angle with 114-degree of diagonal angle of view at wide-end 2 aspherical lenses and 4 ED lenses for superb optical performance F4.0 brightness over the entire zoom range Contrast AF system support Circular aperture diaphragm, multi-coated lens elements and optimally designed lens hood Based on the Micro Four Thirds System standard