Ports for Underwater housings

About dome ports

Dome ports are ports made for wide angle lenses and come in various sizes and materials (acrylic and glass). The main function of a dome port is to allow the cameras wide lens to see the full view in high quality. Larger dome ports normally produce better image quality, and small dome ports are more used with fisheye lenses for CFWA (close focus wide angle).

About Flat ports

Flat ports are for macro and "mid range" lenses and come in various sizes.

Threaded front

Many flat ports have a threaded front, often 67 mm in diameter, where wet macro lenses and/or lens holders easily can be mounted.

Port support

Nauticam have 4 different size port openings on their underwater housings. Each port state the port opening size N85, N100, N120 & N200. Each port has to correspond to the correct port opening size or in certain cases a port adapter can be used.
Ikelite have 3 different size port openings on their underwater housings. Each port state the port opening size DLM, DL & FL. Each port has to correspond to the correct port opening size.

We help our clients to find the best port options. Let us know: 1) Underwater housing brand? 2) Which camera? 3) Which lens?

Port charts

• Nauticam Port charts
• Ikelite Port charts
• Sea&Sea Port charts
• Gates Port charts

Ikelite acrylic ports (info)

All Ikelite dome ports are made of optical grade acrylic.

Why Exposure Underwater?