Nauticam N100 to N120 40mm port adaptor w/ z Front Adjustable The Nauticam Extension Ring 20

The Nauticam Extension Ring 20 with Lock is part of the N120 Port System and can be used to add 20mm effective length to an N120 Port setup

YKK saltwater-resistant double-slider zippers are durable and allow for easy access of the large main compartment

a large protective overflap secures contents with an easy-open buckle that can be opened and closed with one hand

Large-diameter pocket eyelets drain water fast

and because it’s designed with Human Factor Diving™

Nauticam N100 to N120 40mm port adaptor w/ z Front Adjustable The Nauticam Extension Ring 20An adapter to convert from an N100 port opening to N120 port opening for the Sony A7 system. The extension also has an integrated focus zoom gear knob. See Port Chart for more details on choosing the correct extension and port. Technical Specifications Depth Rating 150m Port System N100 to N120 Conversion Weight Port Opening Diameter Port Diameter Body Material Anodized Aluminum Alloy Port Material Port Coating Port Shade Material Removable Port Shade