N120 Extension Ring 50 ~with Lock Mark This pancake port is part

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

Remove the cap of the vacuum valve

An adapter to convert from an N85 port opening to N120 port opening for use with the NA-EOSM5 with Canon EF-EOS M adaptor and Canon EF mount lenses

The housing ships with a standard

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

N120 Extension Ring 50 ~with Lock Mark This pancake port is partThe 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