Fotasy Bayonet Lens Hood and Cleaning Cloth Kit for Olympus&ensp;M. Zuiko Digital ED 12-40mm f/2.8 PRO Lens, Replaces Olympus LH-66 Replacement for Olympus LH-66 lens Hood Fits OlympusM. Zuiko Digital ED 12-40mm f/2.8 PRO Lens Comes with a filter access window for CPL, ND filters adjustment Blocks stray light from entering the lens Reversible for easy storage