Lens Hood 2pc, 100mm (3.94in) long. Replaces Canon ET-123B II hood.

Bayonet-mount 2pc lens hood kit. Replaces Canon ET-123B II hood. Length: 100mm (3.94in). Maximum diameter: 145.5mm (5.73in). Extension beyond end of lens: 76mm (3in). Approximate weight: 186g (6.6oz). Fits Canon EF 500mm f/4.5L USM. Sections are 58mm (2.28in) long.