Bayonet-mount 1pc lens hood kit. Replaces Canon ET-155 hood. Length: 90mm (3.54in). Maximum diameter: 180mm (7.09in). Extension beyond end of lens: 66mm (2.6in). Approximate weight: 206g (7.3oz). Fits Canon EF 400mm f/2.8L IS II USM, EF 400mm f/2.8L IS III USM.
