Olympus Zuiko Digital ED 9-18mm f/4-5.6 Lens

Spanning a versatile range of wide-angle focal lengths, the Zuiko Digital ED 9-18mm f/4-5.6 Lens from Olympus is a flexible 18-36mm equivalent zoom designed for Four Thirds DSLR cameras. Its optical design incorporates one ED Glass-Mold Aspherical element to noticeably reduce chromatic and spherical aberrations, while one Dual Super Aspherical Element and one aspherical element are also featured to further correct spherical aberrations and reduce the overall size and weight of the lens. Additionally, a rounded seven-blade diaphragm is also integrated into the design to contribute to a smooth bokeh quality.