Lens Hood 1pc, 150mm (5.91in) long. Replaces Canon ET-123B II hood.

Bayonet-mount 1pc lens hood kit. Replaces Canon ET-123B II hood. Length: 150mm (5.91in). Maximum diameter: 145.5mm (5.73in). Extension beyond end of lens: 126mm (4.97in). Approximate weight: 179g (6.3oz). Fits Canon EF 500mm f/4.5L USM.