Sea frogs

Sea Frogs extension adapter ring V.7

€59.00 €95.00

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We do not apply VAT or any additional charges for countries outside the EU.

Compatible lenses & ports list 

Extension ring V.7 for SeaFrogs 6' and 8' Dome Ports.

This is a 37mm length adapter extension ring.

The extension ring can be used with all SeaFrogs dome ports to get the correct distance from the lens to the focus point.

Compatible with Sea Frogs camera housings listed above.


  • Port Opening Diameter: 89 mm
  • Length (including bayonet): 53 mm
  • Extension length: 37 mm



  • Polycarbonate base

Package includes:

  • Extension ring V.7
  • Spare O-ring 
  • 5ml Silicone oil tube

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