Sea & Sea Extension Ring 30L
The Sea & Sea Extension Ring 40L uses sea and sea underwater camera housings and has a lock feature.
[Weight] Approx. 194g / 6.8 oz
[Depth rating] 100m / 330ft
[Construction] Corrosion-resistant aluminum alloy (alumite coating)
[Distance] Between the mount and the front end: 30mm / 1.2 inches (with port lock)