N120 Extension Ring 20 ~with Lock H3D Spare silicone rubber O-ring for

Spare silicone rubber O-ring for housing

The pixels in H System backs are also larger

Being able to shift into the D600’s quiet mode (much quieter than the D800/D4) and lock it could be a real boon for pelagic shooters close to shy subjects

or from a camera heating up on an action packed dive

The front of the port has integrated 67mm threads for accessories and features a knob that can be used to control zoom/focus via available focus/zoom gears for supported lenses

N120 Extension Ring 20 ~with Lock H3D Spare silicone rubber O-ring forThe 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. This extension ring features a removable bayonet mount and is compatible with Nauticam Extension Ring 10 (SKU 21110). See Port Chart for more details on choosing the correct extension and port. Technical Specifications Depth Rating 150m Port System N120 Weight 0. 20kg Port Opening Diameter 98mm Port Diameter Body