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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.
Ports
Choose the right underwater port for your underwater housing and macro or wide-angle lens setup. From flat ports to underwater dome ports, we offer solutions for all major waterproof housings and lenses. Check the port charts to find the right port, gear and extension ring for your lens and waterproof case.
Ikelite MIL Flat Port Extended #5516.50€287.50 €237.60In stockA large diameter, extended length Ikelite flat port for use with larger macro lenses and Ikelite Mirrorless or Compact DSLR Housings. Learn More
Nauticam N50 Short port 25 with M67 thread for wet wide lens€220.00 €181.82Backorder. Ready for shipment in 1 to 2 weeksNauticam N50 Short port with M67 thread for wet wide angle lenses (widest focal length only) Learn More
AOI DLP-05 Glass Dome Port for Olympus PEN Housing€879.00 €726.45In stockThe DLP-05 dome lens port is designed for the Panasonic 8mm Fisheye Lens and allows you to get up close and personal with the underwater world. With an anti reflection, optical glass dome, yo can be sure to get the sharpest image possible. Learn More
ZEN DP-170-N120 Optical Glass Dome Port for Sea&Sea housing€1,666.00 €1,376.86Backorder. Ready for shipment in 1 to 2 weeksZEN DP-170-N120 Optical Glass Dome Port for Sea&Sea Learn More
Nauticam N85 Power Zoom Macro Port 29 (for WWL-1)€290.00 €239.67In stockNauticam N85 Power Zoom Macro Port 29 (for WWL-1) Learn More![Nauticam N100 180mm Optical Glass Wide Angle Port [37129]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/3/7/37129.jpg)
Nauticam N100 180mm Optical Glass Wide Angle Port [37129]€1,300.00 €1,074.38Backorder. Ready for shipment in 1 to 2 weeksNauticam N100 180mm Optical Glass Wide Angle Port [37129] Learn More
AOI DLP-07 8" Glass Dome Port for Olympus OM-D Housing€1,385.00 €1,144.63Special order product, non-cancelable, non-returnable !8 inch glass dome from AOI. This high quality dome is specifically designed for Olympus OM-D underwater housings (with exeption of the PT-EP13 housing). The dome is compatible with a wide range of Olympus M.Zuiko lenses. Learn More
AOI DLP-08 8" Acrylic Dome Port for Olympus OM-D Housing€718.99 €594.21Special order product, non-cancelable, non-returnable !8 inch acrylic dome from AOI. This dome is specifically designed for Olympus OM-D underwater housings. (with exeption of the PT-EP13 housing) The dome is compatible with a wide range of Olympus M.Zuiko lenses. Learn More![Sea&Sea ML flat port 33 [30120]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/s/s/ss30120.jpg)
Sea&Sea ML flat port 33 [30120]€349.00 €288.43Backorder. Ready for shipment in 2-5 working daysSea&Sea ML flat port 33 [30120] Learn More![Sea&Sea ML wide flat port 63 [30128]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/s/s/ss30128.jpg)
Sea&Sea ML wide flat port 63 [30128]€339.00 €280.17Backorder. Ready for shipment in 2-5 working daysSea&Sea ML wide flat port 63 [30128] Learn More
Frequently asked questions about underwater ports
What is the difference between a dome port and a flat port?
A dome port is a curved (spherical) port used for wide-angle lenses. It helps maintain the field of view underwater while reducing distortion. A flat port is used for macro photography and increases magnification for close-up subjects.
Do I always need an extension ring for my underwater port?
Not always. An extension ring is only needed when your lens must be positioned correctly inside the port. This depends on your lens and underwater housing setup, and can be checked in the port charts.
What is a WACP conversion port?
A WACP (Wet Optics Conversion Port) is an advanced underwater port that combines high-quality optics with a dedicated port design. It delivers superior image quality, minimal distortion and excellent sharpness underwater.
Can I use a wet lens instead of a dome port?
Yes, in some setups you can use a wet lens on selected flat ports instead of a dome port. This allows you to switch between macro and wide-angle underwater, depending on your setup and compatibility.
How do I know which port fits my lens and housing?
You can use the port charts to find the correct combination of port, extension ring and gears for your specific lens and underwater housing.
Related articles about underwater ports for underwater housings
- Posted: March 17, 2026Categories: Underwater HousingsRead more »
- Posted: January 06, 2025Categories: Underwater Housings
Read more »When choosing the right dome port for your camera and lenses, there are many factors to consider. Is a glass dome better than an acrylic dome? What size dome is best for a specific lens? In this blog, we’ll answer these questions and explain how to use port charts to make an informed decision.
- Posted: November 28, 2024Categories: Underwater Housings
Read more »Have you ever taken underwater photos with a dome port and noticed something strange? The center of your image is crystal clear, but the edges look soft and blurry. What causes this? More importantly, how can you fix it? Don’t worry, we’ll keep things simple and informative. This guide will help you take your underwater photography to the next level.