This focus knob attaches to the N120 Extension Ring 35 II (22135) and Extension Ring 50 II (22150), giving direct external control of the lens focus ring through the extension. It lets you adjust focus precisely from outside the housing.
Nauticam
Focus Knob for 22170 This focus knob attaches to the N120 Extension Ring 70 II (22170), giving direct external control of the lens focus ring through the extension. It lets you adjust focus precisely...
Nauticam
Focus Knob for 22130 / 22140 This focus knob attaches to the N120 Extension Ring 30 II (22130) and Extension Ring 40 II (22140), giving direct external control of the lens focus ring through the...
Nauticam
N120 Extension Ring 35 II The N120 Extension Ring 35 II adds 35 mm of effective length to an N120 port setup. The right combination of extension ring and port positions the lens at the correct...
Nauticam
N120 Extension Ring 50 II The N120 Extension Ring 50 II adds 50 mm of effective length to an N120 port setup. The right combination of extension ring and port positions the lens at the correct...
Nauticam
Kit for switching orientation of Focus/Zoom knob
