Sea & Sea Extension Ring 30L
The SEA&SEA Extension Ring 30L spaces a compatible port 30 mm farther from the housing mount. It is used where the lens and port chart specify that extension length.
Features and details
- Part number 30124.
- Port-lock feature.
- Anodised aluminium-alloy construction.
- Listed dimensions: 129 × 45.5 mm.
- Listed weight: approximately 194 g.
- Listed depth rating: 100 m.
Match the mount type and full lens/port combination before fitting. This listing is for the 30L ring.

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