N85 Extension Ring 20 accessories - m67-mft-and-compact-macro-optics Focus gears allow access to

Focus gears allow access to the mechanical manual focus function of supported lenses

70D Compatible strobes: INON: Z240 type 4

and longer camera battery life

Depth Rating 100m Port System N85 Weight Port Opening Diameter Port Diameter 7" Body Material Anodized Aluminum Alloy Port Material Acrylic Port Coating Port Shade Material Removable Port Shade Spare O-ring 90143 split

N85 Extension Ring 20 accessories - m67-mft-and-compact-macro-optics Focus gears allow access toThe Nauticam N85 Extension Ring 20 can be used to add 20mm effective length to an N85 Port System. See Port Chart for more details on choosing the correct extension and port. Technical Specifications Depth Rating 100m Port System N85 Weight Port Opening Diameter Port Diameter Body Material Anodized Aluminum Alloy Port Material Port Coating Port Shade Material Removable Port Shade Spare O ring 90143 split Additional Data: Effective length: 20mm Support