Nederlands
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 Nikkor 20-40mm F2.8EX [31104]€129.00 €106.61In stockSea&Sea Zoom Gear voor de Nikkor 20-40mm F2.8EX lens Learn More
Sea&Sea Focus Gear Nikkor/ Sigma 14mm F2.8EX [31105]€129.00 €106.61In stockSea&Sea Focus Gear Nikkor/ Sigma 14mm F2.8EX [31105] Learn More![Sea&Sea Focus Gear Nikkor/ Sigma 20mm F2.8EX [31106]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/s/s/ss31106.jpg)
Sea&Sea Focus Gear Nikkor/ Sigma 20mm F2.8EX [31106]€129.00 €106.61In stockSea&Sea Focus Gear Nikkor/ Sigma 20mm F2.8EX [31106]
Learn More![Sea&Sea Focus Gear Nikkor/ Sigma 12-24mm F4.g [31108]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/s/s/ss31108.jpg)
Sea&Sea Focus Gear Nikkor/ Sigma 12-24mm F4.g [31108]€189.00 €156.20In stockSea&Sea Focus Gear Nikkor/ Sigma 12-24mm F4.g [31108] Learn More![Sea&Sea Aspherical Zoom Gear Canon 15-30 mm [31111]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/s/s/ss3111.jpg)
Sea&Sea Aspherical Zoom Gear Canon 15-30 mm [31111]€129.00 €106.61In stockSea&Sea Aspherical Zoom Gear Canon 15-30 mm [31111] Learn More
Sea&Sea Focus Gear DCR-22000 for VX-2100 [31115]Special Price €119.00 €98.35 Regular Price €169.00In stockSea&Sea Focus Gear DCR-22000 for VX-2100 [31115] Learn More![Sea&Sea Focus Gear Nikon AF DX 10.5mm [31120]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/s/s/ss31120_1.jpg)
Sea&Sea Focus Gear Nikon AF DX 10.5mm [31120]€149.00 €123.14In stockSea&Sea Focus Gear Nikon AF DX 10.5mm [31120] Learn More
Sea&Sea Zoom Gear for Nikkor 18-55mm [31122]Special Price €99.00 €81.82 Regular Price €169.00In stockSea&Sea Zoom Gear for Nikkor 18-55mm [31122] Learn More![Sea&Sea Focus Gear for AF-S Micro Nikkor [31129]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/s/s/ss31129.jpg)
Sea&Sea Focus Gear for AF-S Micro Nikkor [31129]Special Price €169.00 €139.67 Regular Price €259.00In stockSea&Sea Focus Gear for AF-S Micro Nikkor [31129] Learn More
Sea&Sea Zoom Gear for Nikkor 18-55mm [31131]Special Price €119.00 €98.35 Regular Price €189.00In stockSea&Sea Zoom Gear for Nikkor 18-55mm [31131] Learn More
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,