Lens Hood 1pc, 90mm (3.54in) long. Replaces Canon ET-161 hood.

Bayonet-mount 1pc lens hood kit. Replaces Canon ET-161 hood. Length: 90mm (3.54in). Maximum diameter: 184mm (7.24in). Extension beyond end of lens: 63mm (2.48in). Approximate weight: 219g (7.7oz). Fits Canon EF 600mm f/4L USM, EF 400mm f/2.8L USM .