N50 3.5'' Acrylic Wide-Angle Dome Port  adapter The Nauticam N85 Extension Ring

The Nauticam N85 Extension Ring 20 can be used to add 20mm effective length to an N85 Port System

This black neoprene cover is designed to fit Nauticam 180mm wide-angel dome ports and features the Nauticam logo

This zoom gear is for the Sony LA-EA3 A-Mount Adapter with SAL1635Z Vario-Sonnar T* 16-35mm F2

36kg Port Opening Diameter 98mm Port Diameter Body Material Anodized Aluminum Alloy Port Material Port Coating Port Shade Material Removable Port Shade Spare O-ring 90140 split

N50 3.5'' Acrylic Wide-Angle Dome Port  adapter The Nauticam N85 Extension RingThis 3. 5" wide angle dome port is part of the N50 port system and features an acrylic element, anodized aluminum construction and an integrated aluminum port shade. Designed for fixed lens compact cameras, this dome port restores the in air field of view of the camera's lens. 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. Technical