Nauticam O918-Z Zoom Gear ~for Olympus M. Zuiko 9-18mm
Zoom gears allow access to the mechanical zoom function of supported lenses. Use of this gear may require the use of additional port extensions or adapters. Check the Port Chart for more details. This zoom gear is for the Olympus M.ZUIKO DIGITAL ED 9-18mm F4.0-5.6 lens.