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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.
AOI DLP-09 4" Glass Semi Dome Port for Olympus OM-D case€475.00 €392.56Backorder. Ready for shipment in 1 to 2 weeks4" Semi Dome port for Olympus OM-D underwater housing.
Learn More![Nauticam N120 Macro Port 80 [18708]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/n/a/na18708.jpg)
Nauticam N120 Macro Port 80 [18708]€470.00 €388.43Backorder. Ready for shipment in 1 to 2 weeksN120 Macro Port 80
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Isotta Dome Port 4,5" optical glass -B102 (AS771)€750.00 €619.83Backorder. Ready for shipment in 1 to 2 weeksSpherical Dome Port of 4,5" for Reflex in black anodized aluminum and optical crystal. To be used directly mounted on the housing or with extension rings with 102mm bayonet.
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INON MRS100 Port Type UII (with MRS CTRL Ring)€488.60 €403.80Backorder. Ready for shipment in 2-5 working daysMRS100 port, especially for Canon EF 100mm f2.8 macro USM.
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Nauticam N85 to N120 41.5MM portadapter€667.10 €551.32Special order product, non-cancelable, non-returnable !Nauticam N85 to N120 41.5MM portadapter
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![Nauticam N120 to N100 15mm Port Adaptor [21315]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/n/a/na21315.jpg)
Nauticam N120 to N100 15mm Port Adaptor [21315]€270.00 €223.14Backorder. Ready for shipment in 1 to 2 weeksN120 to N100 15mm Port Adaptor [21315]
Learn More![Nauticam N85 Pancake Port 24 [36168]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/n/a/na36168.jpg)
Nauticam N85 Pancake Port 24 [36168]€270.00 €223.14Backorder. Ready for shipment in 1 to 2 weeksN85 Pancake Port 24 with a bayonet mount.
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Ikelite WD-3dome #6430.3€345.00 €285.12Backorder. Ready for shipment in 1 to 2 weeksThe WD-3 Wide Angle Dome provides a wider angle of coverage underwater without the distorted edges or vignetting (dark shadows in the corners of the image) that are typically present when using a standard wide angle wet lens.
Learn More![Nauticam 6'' wide angle port with Focus knob [36164]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/n/a/na36164.jpg)
Nauticam 6'' wide angle port with Focus knob [36164]€830.00 €685.95Special order product, non-cancelable, non-returnable !N85 - 6'' Wide angle port (acrylic) with Focus knob [36164]
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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.