OM SYSTEM M.Zuiko Digital ED 9-18mm f/4-5.6 II Lens (Micro Four Thirds)A typical super wide angle lense tends to be big, heavy, and expensive, making it difficult for most camera users to take advantage of them. The M. Zuiko Digital ED 9 18mm F4. 0 5. 6 II promises to change all this. With its ultra compact and lightweight design and the outstanding portability, thanks to the DSA (Dual Super Aspherical) lens, available only with the Four Thirds System, this lens will make super wide angle photography friendlier and more