Lens Hood 2pc, 150mm (5.91in) long. Replaces Canon ET-123B II hood.

Bayonet-mount 2pc lens hood kit. Replaces Canon ET-123B II hood. Length: 150mm (5.91in). Maximum diameter: 158mm (6.22in). Extension beyond end of lens: 126mm (4.97in). Approximate weight: 280g (9.9oz). Fits Canon EF 500mm f/4.5L USM. Sections are 83mm (3.27in) long. Handling a two-piece hood: https://youtu.be/laydgwmaQG4