Use this SEA & SEA 31202 ZOOM GEAR to control manual zooming with your Nikon lens in a compatible lens port, which mounts onto an MDX underwater camera housing. Manual focus cannot be used when this zoom gear is in place. The gear mounts onto the zoom ring of the lens and is controlled via the focus/zoom dial/knob on the housing. It is constructed from polymer plastic.

FEATURES:

·         Mounts onto Zoom Ring of Lens

·         Rotate Knob to Zoom with Lens

·         For Ports on MDX Camera Housings