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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.
Sea&Sea zoom gear for NIKON AF-S FISHEYE 8-15MM [31191]€295.00 €243.80Backorder. Ready for shipment in 2-5 working days![Sea&Sea focus gear for CANON EF16-35MM F2.8L III USM [31190]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/s/s/ss31190.jpg)
Sea&Sea focus gear for CANON EF16-35MM F2.8L III USM [31190]€295.00 €243.80Backorder. Ready for shipment in 2-5 working days![Sea&Sea zoom gear for CANON EF16-35MM F2.8L III USM [31189]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/s/s/ss31189.jpg)
Sea&Sea zoom gear for CANON EF16-35MM F2.8L III USM [31189]€295.00 €243.80Backorder. Ready for shipment in 2-5 working days
Nauticam SFE2470GM- Zoom Gear for Sony SEL2470GM FE 24-70€220.00 €181.82Backorder. Ready for shipment in 1 to 2 weeks
Nauticam Cinema System Gear Set for Canon EF 28-70mm II€710.00 €586.78Replaced by a newer model. See link below...- Nauticam C24105II-Z Zoom Gear for Canon EF 24-105mm f/4L II€299.00 €247.11Special order product, non-cancelable, non-returnable !
Nauticam PS24105-Z Zoom Gear for Panasonic Lumix S 24-105 f4€230.00 €190.08Special order product, non-cancelable, non-returnable !
- Nauticam NZ1430-Z Zoom Gear for Nikkor Z 14-30mm f4 S€240.30 €198.60Backorder. Ready for shipment in 1 to 2 weeks
Nauticam NZ2470f2.8S-Z Zoom Gear for Nikon NIKKOR Z 24-70mm€200.00 €165.29Backorder. Ready for shipment in 1 to 2 weeks
Nauticam NE2870-Z Gear for Techart Sony E to Nikon Z/SEL2870€240.00 €198.35Backorder. Ready for shipment in 1 to 2 weeks
Nauticam CR1535-F Focus Gear for Canon RF 15-35mm F/2.8L IS€220.00 €181.82Backorder. Ready for shipment in 1 to 2 weeks
Nauticam CR1535-Z Zoom Gear for Canon RF 15-35mm F/2.8L IS€220.00 €181.82Backorder. Ready for shipment in 1 to 2 weeks- Nauticam CR2470-F Focus Gear for Canon RF 24-70mm F/2.8L€220.00 €181.82Backorder. Ready for shipment in 1 to 2 weeks
Nauticam CR2470-Z Zoom Gear for Canon RF 24-70mm F/2.8L IS€200.00 €165.29Backorder. Ready for shipment in 1 to 2 weeks
Nauticam N100 Z1650PZ-Z Zoom Gear for Nikkor Z DX 16-50mm€322.00 €266.12Special order product, non-cancelable, non-returnable !
Nauticam SLE1424-Z Zoom Gear for Sigma 14-24mm f/2.8 DG DN€230.00 €190.08Special order product, non-cancelable, non-returnable !- Nauticam N1735-F for Nikkor 17-35mm F/2.8D ED [19159]€190.00 €157.02Replaced by a newer model. See link below...
Nauticam STE2875-Z Zoom Gear for Tamron 28-75mm F/2.8 Di III€200.00 €165.29Backorder. Ready for shipment in 1 to 2 weeks
Nauticam PL1635-Z Zoom Gear for Panasonic Lumix S PRO 16-35€230.00 €190.08Special order product, non-cancelable, non-returnable !
Nauticam Cinema Gear Set for Canon EF 24-105mm f/4L IS II U€1,038.00 €857.85Special order product, non-cancelable, non-returnable !
Nauticam O1245-Z Zoom Gear for Olympus M.Zuiko Digital 12-45€170.00 €140.50Backorder. Ready for shipment in 1 to 2 weeks
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,