Sea & Sea Zoom Gear For Canon Ef 16-35Mm F4L Is Usm
Product Overview:
When attached to an MDX underwater camera housing, the Canon EF 16-35mm f/4L IS USM lens can be manually zoomed with the Sea & Sea 31174 Zoom Gear. You can manipulate the gear using the focus/zoom dial on the housing, and it attaches to the lens's zoom ring. The aluminum alloy used for its construction is resistant to corrosion.
Please refer to Port Chart for more details