Nauticam SN1424A Zoom Gear for Sigma 14-24mm F2.8 DG HSM Art Lens - Underwater Photography Accessory for Diving & Marine Exploration

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!

Zoom gears allow for manual operation of the lens' zoom function inside the housing. Refer to the corresponding port chart to insure compatibility and proper orientation with extension rings and ports.