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.
Versatile wide-angle zoom, this 9-18mm lens is designed for Four Thirds DSLR cameras and provides an 18-36mm equivalent focal length range.
One ED Glass-Mold Aspherical element is featured at the rear of the optical design to reduce both chromatic and spherical aberrations, and color fringing, for improved clarity and color accuracy.
One Dual Super Spherical (DSA) element and one aspherical element are integrated at the front of the optical design to control spherical aberrations and distortion for increased sharpness. These elements also help to reduce the overall size and weight of the lens.
Rounded seven-blade diaphragm contributes to a smooth bokeh quality.