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 12-24mm F4 DG HSM | Art lens with Nauticam Cinema System Housings.

This item is non-returnable, non-refundable, non-cancellable, and may be subject to extended lead times as it is manufactured on demand.  We always do our best to meet trip deadlines so please advise us if you have a trip coming up!