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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 Cinema Gear Set for Tokina AT-X 11-20MM F2.8 PRO DX€564.10 €466.20Special order product, non-cancelable, non-returnable !This zoom/focus gear set is for the Tokina AT-X 11-20mm F2.8 PRO DX with the Nauticam Cinema System.
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Nauticam RC1635F4-F Canon EF 16-35mm f/4L IS USM focus gear€329.00 €271.90Replaced by a newer model. See link below...Nauticam RC1635F4-F Canon EF 16-35mm f/4L IS USM focus gear
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Nauticam RC1635F4-Z Canon EF 16-35mm f/4L IS USM zoom gear€300.00 €247.93Replaced by a newer model. See link below...RC1635F4-Z Canon EF 16-35mm f/4L IS USM zoom gear
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Nauticam GF3570-Z Zooom Gear for FUJINON GF 35-70MM F/4.5€490.00 €404.96Special order product, non-cancelable, non-returnable !GF3570-Z Zoom Gear for FUJINON GF 35-70mm f/4.5-5.6 WR Lens
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Nauticam NZ2470-Z Zoom Gear for Nikkor Z 24-70mm f4 S lens€220.00 €181.82Backorder. Ready for shipment in 1 to 2 weeksNauticam NZ2470-Z Zoom Gear for Nikkor Z 24-70mm f4 S lens
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Nauticam CR1845-Z Zoom Gear for Canon RF-S 18-45mm f/4.5-6.3€200.00 €165.29Backorder. Ready for shipment in 1 to 2 weeksZoom Gear for Canon RF-S 18-45mm f/4.5-6.3 lens
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Nauticam NZ2875-Z Zoom Gear for Nikkor Z 28-75mm f/2.8€200.00 €165.29Backorder. Ready for shipment in 1 to 2 weeksNZ2875-Z Zoom Gear for Nikkor Z 28-75mm f/2.8
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Nauticam Cinema Gear Set for Canon EF 28-80mm f/3.5-5.6 V USM€530.00 €438.02Replaced by a newer model. See link below...Cinema Gear Set for Canon EF 28-80mm f/3.5-5.6 V USM
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Nauticam N1855AFP-Z Zoom Gear for Nikon AF-P DX 18-55mm f/3.5€208.00 €171.90Replaced by a newer model. See link below...Zoom Gear N1855AFP-Z for Nikon AF-P DX 18-55mm f/3.5
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Nauticam CR1530-Z Zoom Gear for Canon RF 15-30mm f4.5-6.3 IS€200.00 €165.29Backorder. Ready for shipment in 1 to 2 weeksLearn MoreCR1530-Z Zoom Gear for Canon RF 15-30mm f4.5-6.3 IS STM
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,