OM System OLYMPUS M.Zuiko Digital ED 8mm F1.8 Fisheye PRO For Micro Four Thirds Camera Fast and Furious Weather Sealed Design Wide Angle

17 elements in 15 groups reduces aberrations, 3 Super ED lenses, 2 ED lenses diminish peripheral chromatic aberrations 180 degree angle of view ZERO lens coating effectively minimizes ghosting and flaring Silent auto focus for Movie-Still compatibility Minimum working distance of 2.5cm from the end of the lens