Sto-fen Omni-Bounce Diffuser for Canon 380EX, Nikon SB-25, SB-25, SB-26, Metz 40MZ2, 54MZ3, 54MZ4, Minolta 5200i, 5400Xi, 5400HS, Olympus FL40, FL50, G40 and Sigma 500 Series flash guns.