Nauticam Cinema System Gear Set for Sigma 18-35 /1.8
Zoom and focus gears allow access to the mechanical zoom/focus functions 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/focus gear set is for the Sigma 18-35mm f1.8 lens with the NA-BMCC or Cinema System Housings and Canon lens mount.