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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 N1855II-Z for Nikkor 18-55 mm F3.5-5.6 GII [19124]€248.00 €204.96In stockNauticam N1855II-Z for Nikkor 18-55 mm F3.5-5.6 GII [19124] Learn More
Nauticam C2470II-Z Zoom gear for Canon EF 24-70 f2.8L II USM€230.00 €190.08In stockNauticam C2470II-Z Zoom gear for Canon EF 24-70 f2.8L II USM [19543] Learn More![Nauticam SE1635-Z Zoom Gear for Sony Vario FE 16-35mm F4 ZA [37145]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/3/7/37145.jpg)
Nauticam SE1635-Z Zoom Gear for Sony Vario FE 16-35mm F4 ZA€220.00 €181.82In stockNauticam SE1635-Z Zoom Gear tbv Sony Vario FE 16-35mm F4 ZA Learn More
Nauticam NZ2450-Z Zoom Gear for NIKKOR Z 24-50mm f/4-6.3€200.00 €165.29Backorder. Ready for shipment in 1 to 2 weeksZoom Gear for NIKKOR Z 24-50mm f/4-6.3 lens
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Nauticam Gear for Canon EF-EOS R Control Ring Mount Adaptor€190.00 €157.02In stockThe Canon EF-EOS R adapter with control ring allows for the mapping of exposure functions to the control ring when using EF lenses. This gear allows for the use of this control ring within the NA-R housing from the left lower control dial.
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Nauticam O90-F Focus Gear for OM M.Zuiko Digital ED 90mm PRO€230.00 €190.08In stockFocus Gear for OM M.Zuiko Digital ED 90mm PRO lens in your Nauticam underwater housing.
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Nauticam N120 Port Adaptor for Laowa 24mm f/14 2x Macro P.€830.00 €685.95Special order product, non-cancelable, non-returnable !This Port Adapter, when used in conjunction with 16335 or 19155 allows for the use of the Laowa 24mm Probe Lens underwater with supported cameras in N120 Housings.
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Nauticam N85 PL1260-F Focus Gear for Panasonic 12-60mm F2.8€210.00 €173.55In stockNauticam N85 PL1260-F Focus Gear for Panasonic 12-60mm F2.8
Learn More![Nauticam SFE1635GM-Z Zoom Gear for Sony SEL1635GM FE 16-35 [37155]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/n/a/na37155.jpg)
Nauticam SFE1635GM-Z Zoom Gear for Sony SEL1635GM FE 16-35€200.00 €165.29In stockNauticam SFE1635GM-Z Zoom Gear for Sony SEL1635GM FE 16-35 [37155]
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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,