Use this Sea & Sea Zoom Gear to control manual zooming with your Nikon AF-S DX Zoom NIKKOR ED 12-24mm f/4G (IF) lens in a compatible lens port, which mounts onto an MDX or RDX underwater camera housing.

FEATURES:

• Mounts onto Zoom Ring of Lens
• Rotate Knob to Zoom with Lens
• For Ports on MDX or RDX Camera Housings