| Port opening diameter | 109mm |
| Weight in air | 0.21 kg |
The N120 Extension Ring 30 adds 30 mm of effective length to an N120 port setup and includes a locking mechanism that secures the port to the housing. Extensions position the port at the correct distance from the lens; use the Nauticam port chart to match the right extension and port to your lens.
Nauticam
N120 Extension Ring 30 with Lock The Nauticam Extension Ring 30 with Lock is part of the N120 Port System and can be used to add 30mm effective length to an N120 Port setup. At a Glance Depth...
Nauticam
N120 Extension Ring 55 with Lock The N120 Extension Ring 55 with Lock adds 55mm of effective length to an N120 port setup, positioning the port correctly for the chosen lens. Nauticam's patented...
Nauticam
Nauticam N120 Extension Ring 40 with LockAt a glancePort opening diameter109mmWeight in air0.24 kg The Nauticam 21140 N120 Extension Ring 40 with Lock is part of the N120 Port System and a
Nauticam
Nauticam N120 Extension Ring 60 with LockAt a glancePort opening diameter109mmWeight in air0.30 kg The Nauticam 21160 N120 Extension Ring 60 with Lock is part of the N120 Port System and a
Nauticam
Nauticam N120 Extension Ring 25 with Lock The Nauticam 21125 N120 Extension Ring 25 with Lock is part of the N120 Port System and adds 25mm of effective length to an N120 port setup. The locking...
