N120 Extension Ring 50 ~with Lock Mark The housing ships with a

The housing ships with a standard

This pancake port is part of the N85 port system and features an optical-glass element and anodized aluminum construction

An adapter to convert from an N85 port opening to N120 port opening to use with N85 Sony housings with Metabones EF Lens to NEX Smart Adapter to use the Tokina 10-17mm fisheye lens

16112 Nauticam NA-RT4

Zuiko 12-50mm F3

N120 Extension Ring 50 ~with Lock Mark The housing ships with aThe Nauticam Extension Ring 50 with Lock is part of the N120 Port System and can be used to add 50mm effective length to an N120 Port setup. See Port Chart for more details on choosing the correct extension and port. Technical Specifications Depth Rating 150m Port System N120 Weight 0. 27kg Port Opening Diameter 109mm from SN A213191 and later Port Diameter Body Material Anodized Aluminum Alloy Port Material Port Coating Port Shade Material Removable