Port Nauticam Dome 250 mm II Glass (N120)

Port Nauticam Dome 250 mm II Glass (N120)

N120 250mm Optical-Glass Wide-Angle Dome Port II

Nauticam optical-glass dome ports are finely ground to the highest standard of precision and represent the state of the art in both manufacturing and optical technology. Different size ports are available to support a wide variety of lenses and housing types. Port extensions or adapters may be necessary for some ports and housings. This optical-glass wide-angle port has a diameter of 250mm and is part of the N120 port system.

The internal port opening of this port is enlarged for larger diameter lenses like Canon EF 11-24mm f/4 USM (Note: support for this lens requires removal of the locking tab)

Technical specifications

Depth Rating 40m
Port System N120
Weight 2.81 kg in air
Port Opening Diameter 109mm
Port Diameter 250mm
Body Material Anodized Aluminum Alloy
Port Material Optical Glass
Port Coating Multi-layer Broad-band Anti-reflective Coating Inside
Port Shade Material
Removable Port Shade
Spare O-ring 90140

Nauticam port charts

Check which port and lens are compatible through Nauticam's dedicated port chart or charts (sold separately).
Click the link below to find recommended configurations and accessories.