AquaTech CZ Lens Zoom Gear for Canon 70-200mm f/4 IS in Lens Port -
The AquaTech CZ Lens Zoom Gear for Canon 70-200mm f/4 IS in Lens Port is designed to work with a dedicated lens. The Zoom Gear will allow full zoom control on either the Delphin or Elite Sport Housing and operates in a smooth and responsive manner. This lightweight Zoom Gear is made from Delrin and will not lose its shape over time and with use. The Zoom Gear pitch is matched perfectly to the Zoom Control on the Sport Housing for fast responsive control in those critical situations when fast changes are needed.