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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.
AOI Zoom Gear for Vario-Tessar T* FE 16-35mm F4 ZA OSS€69.00 €57.02Backorder. Ready for shipment in 2 to 4 weeks
AOI Focus Gear for Sony FE 14mm f/1.8 GM€69.00 €57.02Backorder. Ready for shipment in 2 to 4 weeks
- AOI Focus Gear for Sigma 105mm F2.8 DG DN MACRO€69.00 €57.02Backorder. Ready for shipment in 2 to 4 weeks
- Gates Zoom Gear for Sony 16-35 f2.8 GM II€127.00 €104.96Backorder. Ready for shipment in 1 to 2 weeks
- Gates Focus Gear for Sony 16-35 f2.8 GM II€127.00 €104.96Backorder. Ready for shipment in 1 to 2 weeks
- Nauticam RF24105f2.8-Z Zoom Gear for Canon RF 24-105mm F2.8L€310.00 €256.20Backorder. Ready for shipment in 1 to 2 weeks
- Nauticam Z2850-ZII Zoom Gear for NIKKOR Z 24-50mm f/4-6.3€310.00 €256.20Backorder. Ready for shipment in 1 to 2 weeks
- Zoom ring for Sony Vario-Tessar® T* FE 24-70 mm F4 ZA OSS - SEL2470Z€108.00 €89.26Backorder. Ready for shipment in 1 to 2 weeks
- Isotta Zoom Ring Canon RF 24-70mm F2.8L IS USM€146.00 €120.66Backorder. Ready for shipment in 1 to 2 weeks
- Nauticam SFE2470II-F Focus Gear for Sony FE 24-70 F2.8 GM II€260.00 €214.88Backorder. Ready for shipment in 1 to 2 weeks
- Nauticam TN1017-Z+1.4 for Tokina with Kenko 1.4x TP Pro 300€241.00 €199.17Backorder. Ready for shipment in 1 to 2 weeks
- Nauticam CR714-Z Zoom Gear for Canon RF 7-14mm F2.8-3.5 STM€210.00 €173.55Backorder. Ready for shipment in 1 to 2 weeks
- Nauticam RF1535-F Focus Gear for Canon RF 15-35mm F/2.8L IS€250.00 €206.61Backorder. Ready for shipment in 1 to 2 weeks
- Nauticam RF714-Z Zoom Gear for Canon RF 7-14mm F2.8-3.5 STM€230.00 €190.08Backorder. Ready for shipment in 1 to 2 weeks
- Nauticam SA Control Ring II for Canon RF 100 f/2.8L Macro€302.00 €249.59Backorder. Ready for shipment in 1 to 2 weeks
- Nauticam Z2450-FII Focus Gear for Nikkor Z 24-50mm f/4-6.3€219.00 €180.99Backorder. Ready for shipment in 1 to 2 weeks
- Ikelite Manual Focus Gear 5509.72 Nikon Z 105mm Macro Lens€105.00 €86.78Backorder. Ready for shipment in 1 to 2 weeks
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- Isotta Zoom ring for Canon EF 24-70mm f/2.8L II USM + Mount€136.00 €112.40Backorder. Ready for shipment in 1 to 2 weeks
- Gates Iris Gear for Sony 16-35 f2.8 GM II€127.00 €104.96Backorder. Ready for shipment in 1 to 2 weeks
- Isotta Zoom Gear: Sony FE 16-25mm F2.8 G - SEL1625G€108.00 €89.26Backorder. 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 HousingsRead 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 HousingsRead 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,
