AQUATECH Canon EF-RF Zoom Gears for Canon EF 70-200mm f/2.8L IS II USM / 70-200mm f/2.8L IS III USM Lens and EF-EOS R Mount Adapter

The AquaTech Canon EF-RF Zoom Gear allows full zoom control on compatible water housings. The zoom gear operates in a smooth and responsive manner and is available for the Canon EF 70-200mm f/2.8L IS II USM / 70-200mm f/2.8L IS III USM lens and Canon Mount Adapter EF-EOS R. The gear is made from Delrin, a strong and lightweight material, and will not lose its shape over time or with use.