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28.5 mm Extension Ring

MFR Part #: 18453
Samy's Part #: S-024594
$23295
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The Aquatica 28.5 mm Extension Ring is for bayonet style housings of aqua tech using with one of Canon, Nikon, Sigma and Tokina lenses in an Aquatica port. Insert the ring between the port and the housing for further extension. It is made from durable anodized aluminum.

To check lens and lens port compatibility, see the following charts:

Canon, Sigma and Tokina Type 1 Lens Chart
Canon, Sigma and Tokina Type 2 Lens Chart
Canon Type 4 Lens Chart
Nikon, Sigma and Tokina Type 1 Lens Chart
Nikon, Sigma and Tokina Type 2 Lens Chart
Nikon, Sigma and Tokina Type 3 Lens Chart
Nikon, Sigma and Tokina Type 4 Lens Chart

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Underwater Housing Information
Material Anodized aluminum
  • 1 Year Warranty
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