N120 Extension Ring 40 ~with Lock port Taking advantage of this high

Taking advantage of this high level of resolution underwater requires an equally impressive housing

This zoom gear is for the Canon EF-S 10-18mm f/4

and so simply had to produce the NA-5DSR

Note: Requires purchase of attachment rails appropriate to your housing

N120 Extension Ring 40 ~with Lock port Taking advantage of this highThe Nauticam Extension Ring 40 with Lock is part of the N120 Port System and can be used to add 40mm 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. 24kg Port Opening Diameter 109mm from SN A048435 and later Port Diameter Body Material Anodized Aluminum Alloy Port Material Port Coating Port Shade Material Removable