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 180mm and is part of the N120 port system.
Technical Specifications
Multi-layer Broad-band Anti-reflective Coating Inside
| Depth Rating | 60m (100m for serial numbers A590222 onward) |
| Port Opening | N120 |
| Weight | 1.34kg |
| Port Opening Diameter | 98mm |
| Port Diameter | 180mm |
| 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 |
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