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Extension Rings

Extension rings are used to fine-tune the distance between a port and an underwater housing to fit lenses of different sizes. To find the right extension rings for your lens, contact us at Bluewater Photo!

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  • Sea and Sea Extension Ring 46 with Focus Knob

    Sea & Sea Extension Ring 46 with Focus Knob

    Free Shipping on Orders Over $200 to the US and Canada

    SKU: SS-30117

    Sea & Sea Extension Ring 46 with Focus Knob :Part #" SS-30117 Product Overview: Extension ring 46 with focus knob allows you to manual focus with Sea&Sea MDX housings when also using the correct focus gear on your lens. This new extension...

    $579.95
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