Sea & Sea Port Extension Ring (40)
This Sea & Sea port extention ring 40 goes between a Sea & Sea housing and a port to allow room for certain lenses.
FEATURES
- Dimensions (DIAxD): 135x56.5mm / 5.4x2.3inch
- Weight: Approx. 345g / 12.1oz
- Construction: Corrosion-resistant aluminum alloy (alumite coating)