Nauticam 230mm Optical Glass Fisheye Dome Port II

Nauticam 230mm Optical Glass Dome Port (N120)

The Nauticam 230mm Optical Glass Dome Port is designed for photographers who demand the highest possible image quality underwater. Precision-ground optical glass, advanced multi-layer anti-reflective coatings, and Nauticam's renowned engineering combine to deliver outstanding sharpness, contrast, and corner performance.

With its large 230mm diameter, this dome port is an excellent choice for ultra-wide-angle and fisheye photography, helping to minimise distortion while producing crisp images across the frame. The enlarged 109mm internal opening also accommodates larger-diameter lenses, including the Canon EF 11-24mm f/4L USM.

Constructed from hard-anodized aluminium with a durable optical glass element, the port is rated to depths of 100 metres and is part of the Nauticam N120 Port System. Depending on your housing and lens combination, a compatible port extension or adapter may be required.

Key Features

• Precision-ground optical glass for exceptional image quality

• Large 230mm dome for ultra-wide-angle and fisheye lenses

• Enlarged 109mm internal opening for larger-diameter lenses

• Multi-layer broadband anti-reflective coating reduces flare and reflections

• Hard-anodized aluminium construction for maximum durability

• Removable ABS port shade

• Compatible with the Nauticam N120 Port System

• Depth rated to 100 metres

Specifications

• Port System: N120

• Depth Rating: 100 m

• Dome Diameter: 230 mm

• Port Opening Diameter: 109 mm

• Weight: 2.67 kg

• Body Material: Hard-anodized aluminium alloy

• Dome Material: Optical glass

• Coating: Multi-layer broadband anti-reflective coating (inside)

• Port Shade: Removable ABS

• Spare O-ring: Included (90140)