... : 1. Canon 580EX, 580EX II, 540EX, 430EX, 420EX, 380EX, 430EZ2. Nikon SB-9003. Metz 40MZ2, 54MZ34. Sigma EF-500DG Super, ST5 ... , MZ440AF6. Vivitar 2500, 273, 3500, 850AFSize for Bayonet:Length: 78mmWidth: 50mm F&V Speedlite Accessory kit for Canon