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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.
Nauticam N100 Flat Port 37 (WWL-1 compatible) for NA-A7€487.00 €402.48Backorder. Please contact us for availabilityFlat Port, designed for the Sony FE28mm F2 and the WWL-1 (83201) on the NA-A7 system.
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Gates FP80 Glass Flat Port [90-25-103B]€4,015.00 €3,318.18Special order product, non-cancelable, non-returnable !Gates Glass Flat Port 90-25-103B
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Nauticam N200 250mm optical glass wide-angle dome port (45M)€3,200.00 €2,644.63Special order product, non-cancelable, non-returnable !
Nauticam N200 0.57x Wide Angle Conversion Port - 2 (WACP-2)€9,700.00 €8,016.53Special order product, non-cancelable, non-returnable !Wide Angle Conversion Port - 2. 140 Deg. FOV with Compatible 14mm Lenses (incl. float collar)
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Ikelite DL 5 inch flat port #75303€569.25 €470.45Backorder. Ready for shipment in 2-5 working daysPort with flat optical glass element. Large 5" (127mm) outer diameter for use with telephoto and specialty lenses.
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Gates Port Base - 80 Series for use with Weapon€1,057.00 €873.55Special order product, non-cancelable, non-returnable !
Isotta Macro Port M67 H72 -B102 (AS888)€303.00 €250.41Backorder. Ready for shipment in 1 to 2 weeksMacro lens porthole in optical glass, with threaded end M67 adapter for additional lens to make your picture amazing. To be mounted directly on the housing or with extension rings with bayonet 102mm.
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Isotta Macro Port M67 H66 -B102 (AS824)€296.00 €244.63Backorder. Ready for shipment in 1 to 2 weeksMacro lens porthole in optical glass, with threaded end M67 adapter for additional lens. To be mounted directly on the housing or with extension rings with bayonet 102mm.
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Isotta Macro Port M67 H53 -B102 (AS797)€288.00 €238.02Backorder. Ready for shipment in 1 to 2 weeksMacro lens porthole in optical glass, with threaded end M67 adapter for additional lens to make your picture amazing. To be mounted directly on the housing or with extension rings with bayonet 102mm.
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Isotta Dome Port 6,5" optical glass -B102 H38 (AS821)€1,186.00 €980.17Backorder. Ready for shipment in 1 to 2 weeks6.5" dome in black anodized anticorodal aluminum and optical crystal, for excellent performance. Can be attached to the housing directly or with extension rings with 102 mm bayonet.
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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.