FOCUS GEAR FOR CANON EF 24mm F1.4L II USM

Use this Focus Gear from Sea & Sea to control manual focusing with your Canon EF 24mm f/1.4L II USM lens in a compatible lens port, which mounts onto a Sea & Sea MDX or RDX underwater camera housing. The gear mounts onto the focus ring of the lens and is controlled via the focus/zoom dial on the housing. It is constructed from a corrosion-resistant aluminum alloy.