"Characterized by its impressive range and reach, the Olympus M.Zuiko Digital ED 100-400mm f/5-6.3 IS is a 200-800mm-equivalent super-telephoto zoom for Micro Four Thirds mirrorless cameras. This length is complemented by an advanced optical design that incorporates a series of ED and HR elements to minimize various aberrations and a ZERO coating also helps to control flare and ghosting for improved contrast and color accuracy.