N120 Extension Ring 50 ~with Lock Mark 16112 Nauticam NA-RT4

16112 Nauticam NA-RT4

Remove the cap of the vacuum valve

Zuiko 12-50mm F3

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

N120 Extension Ring 50 ~with Lock Mark 16112 Nauticam NA-RT4The 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