

Thanks to the extension ring with locking from MARELUX, you can extend the port of your 30mm port system.
As you know, the threads of the window of the housing are quite fragile... So, we have the solution for you!
This set allows you to use your lenses without stressing the thread and to have peace of mind about the life of your housing.
...Thanks to the extension ring with locking from MARELUX, you can extend the port of your 20mm port system.
Thanks to the extension ring with locking from MARELUX, you can extend the port of your 50mm port system.
Thanks to the extension ring with locking from MARELUX, you can extend the port of your 80mm port system.