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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.
Ikelite zoom/focus gear 5515.33€45.00 €37.19In stockGear to manually control the zoom function of your lens when it's in use in an Ikelite underwater housing.
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Nauticam SE1650II-PZ for Sony E PZ 16-50mm F3.5-5.6 OSS II€220.00 €181.82Backorder. Ready for shipment in 1 to 2 weeksNauticam SE1650II-PZ for Sony E PZ 16-50mm F3.5-5.6 OSS II
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AOI Zoom Gear- 1 for ZUIKO DIGITAL ED 8-25mm F2.8 PRO€79.00 €65.29In stockGear to manually control the zoom function of your Zuiko 8-25 f2.8 PRO lens when you use it in an AOI underwater housing.
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Nauticam PL2460-Z Zoom Gear for Panasonic S 24-60mm f2.8€240.00 €198.35Backorder. Ready for shipment in 1 to 2 weeksGear to manually control the zoom of your Panasonic S 24-60mm f2.8 when it's in use in a Nauticam underwater housing.
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Nauticam Cinema gear set for Nikon AF-P DX NIKKOR 18-55mm€580.00 €479.34No delivery information availableGear set to manually control your Nikon AF-P DX NIKKOR 18-55mm f/3.5-5.6G VR lens when it's in use in a Nauticam Cinema underwater housing.
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Ikelite Manual Focus Gear 5509.73 for Canon RF 100mm€93.50 €77.27Backorder. Ready for shipment in 1 to 2 weeksGear to manually control the focus of your Canon RF 100mm Macro Lens when in use in selected Ikelite underwater housings.
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AOI Focus Gear for Tamron 90mm F2.8 Di III VXD Macro€69.00 €57.02Backorder. Ready for shipment in 2 to 4 weeksGear to control the focus of your Tamron 90mm f2.8 Di III MACRO VXD lens manually when it's in use in an AOI underwater housing
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AOI Zoom Gear for Sony FE 16-35mm f/2.8 GM€69.00 €57.02Backorder. Ready for shipment in 2 to 4 weeksGear to manually control the zoom function of the Sony SEL FE 16-35mm f/2.8 GM lens when it's in use in an AOI underwater housing.
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AOI Zoom Gear for Sony FE 16-35mm f/2.8 GM 2€69.00 €57.02Backorder. Ready for shipment in 2 to 4 weeksGear to manually control the zoom function of the Sony SEL FE 16-35mm f/2.8 GM II lens when it's in use in an AOI underwater housing.
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Ikelite Zoom / Focus Gear 5515.29€45.00 €37.19Backorder. Ready for shipment in 1 to 2 weeksGear to manually control the zoom / focus function of your lens when it's in use in a selected Ikelite underwater housing
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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,