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Choosing the right port system for your underwater housing is essential for achieving sharp, distortion-free images underwater. Whether you shoot wide-angle or macro, your port setup directly affects image quality, field of view, and usability.
Gears
Gears are control rings that allow manual focus or zoom operation of lenses inside underwater housings. They are essential for precise handling during a dive.
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Nauticam SC15-F Focus gear for Sigma 15mm F2.8 EX DG€190.00 €157.02Replaced by a newer model. See link below...Nauticam SC15-F Focus gear for Sigma 15mm F2.8 EX DG Learn More
Nikon WP-ZG1020 Zoom Gear SleeveSpecial Price €35.01 €28.93 Regular Price €75.00Backorder. Ready for shipment in 2-5 working daysNikon WP-ZG1020 zoomgear for Nikon J1 with WP-N3 housing and 10-30 lens Learn More
Nikon WP-ZG1010 Zoom Gear SleeveSpecial Price €35.01 €28.93 Regular Price €75.00Backorder. Ready for shipment in 2-5 working daysNikon WP-ZG1010 zoomgear for Nikon J1 / J4 with WP-N3 housing and 11-27,5 lens Learn More![Sea&Sea Focus Gear AF SIGMA 105 mm [46360]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/s/s/ss46360.jpg)
Sea&Sea Focus Gear AF SIGMA 105 mm [46360]€139.00 €114.88In stockSea&Sea Focus Gear AF SIGMA 105 mm [46360] Learn More
Sea&Sea Focus Gear AF/MF 60mm NX [51300]Special Price €129.00 €106.61 Regular Price €179.00In stockSea&Sea Focus Gear AF/MF 60mm NX [51300] Learn More![Subal Zoom Gear for Tokina 10-17/3.5-4.5 AF DX [4ZTO835]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/4/z/4zto835.jpg)
Subal Zoom Gear for Tokina 10-17/3.5-4.5 AF DX [4ZTO835]€195.00 €161.16Special order product, non-cancelable, non-returnable !Subal Zoom Gear for Tokina 10-17/3.5-4.5 AF DX [4ZTO835] Learn More
Subal Zoom Gear for Tokina 10-17/3.5-4.5 AF DX + 1.4x ext€195.00 €161.16Special order product, non-cancelable, non-returnable !Subal Zoom Gear for Tokina 10-17/3.5-4.5 AF DX + 1.4x ext Learn More![Nauticam N1855VRII-Z zoom gear for Nikon 18-55mm f/3.5-5.6G [19144]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/1/9/19144.jpg)
Nauticam N1855VRII-Z zoom gear for Nikon 18-55mm f/3.5-5.6G€208.00 €171.90Replaced by a newer model. See link below...Nauticam N1855VRII-Z zoom gear for Nikon 18-55mm f/3.5-5.6G Learn More
Nauticam C1635f4-Z Zoom gear for Canon EF 16-35mm f/4L IS€240.00 €198.35Backorder. Ready for shipment in 1 to 2 weeksNauticam C1635f4-Z Zoom gear for Canon EF 16-35mm f/4L IS Learn More
Nauticam SE1670-Z Zoom gear for Sony Vario-Tessar T* E 16-70€190.00 €157.02Backorder. Ready for shipment in 1 to 2 weeksSA1670-Z Zoom gear for Sony Vario-Tessar T* E 16-70 lens
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Frequently asked questions about gears for underwater housings
What is a gear for an underwater housing?
A gear is a ring placed around a lens that allows you to control focus or zoom through the external controls of an underwater housing.
Do I need a gear for every lens?
Not always. Some lenses can be used without a gear, but for manual focus or zoom control, a compatible gear is required.
What is the difference between a focus gear and a zoom gear?
A focus gear is used to manually adjust focus, while a zoom gear allows you to change focal length on zoom lenses.
How do I know which gear I need for my underwater housing?
You can use port charts to find the correct gear for your specific lens, port and underwater housing.
Are gears brand specific?
Yes, gears are designed for specific lenses and underwater housing systems. Always check compatibility before choosing a gear.
Related articles about gears for underwater housings
- Posted: March 17, 2026Categories: Underwater HousingsRead more »
- Posted: August 26, 2024Categories: Underwater Housings
Read more »AOI underwater housings are compact, lightweight, and ergonomic. Depending on the lens you want to use with your camera, you'll need a matching AOI port, gear and AOI extension ring. AOI has created port charts where you can look up exactly which items you need to start underwater photography with your lens in the underwater housing.
- Posted: March 06, 2024Categories: Underwater Housings
Read more »Many Nauticam housings provide interchangeable ports, enabling the use of various lenses. However, different lenses may demand distinct ports and extension rings to maintain or correct for underwater optics. Certain lenses permit access to zoom and manual focus functions while inside the housing,