Nauticam N85 6-inch Wide Angle Dome Port With Focus Knob
This 6" wide-angle dome port is part of the N85 port system and features an acrylic element and anodized aluminum construction. It is identical to #36133 the N85 6″ Wide-Angle Port but includes a focus knob for focus control (requires optional focus gear). 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.