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

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 & Sea DX Extension Ring 40L

    Sea & Sea DX Extension Ring 40L

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

    SKU: SS-30145

    Sea & Sea DX Extension Ring 40L with Lock Product Overview: The Sea & Sea Extension Ring 40L with Lock extends your port system by 40mm and it features a safety lock to avoid accidental unscrewing of the port. Specifications: Depth Rating:...

    $299.95
  •  Sea & Sea DX Extension Ring 30L

    Sea & Sea DX Extension Ring 30L

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

    SKU: SS-30144

    Sea & Sea DX Extension Ring 30L with Lock Product Overview: The Sea & Sea Extension Ring 30L with Lock extends your port system by 30mm and it features a safety lock to avoid accidental unscrewing of the port. Specifications: Depth Rating:...

    $284.95
  •  Sea & Sea DX Extension Ring 20L

    Sea & Sea DX Extension Ring 20L

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

    SKU: SS-30143

    Sea & Sea DX Extension Ring 20L with Lock Product Overview: The Sea & Sea Extension Ring 20L with Lock extends your port system by 20mm and it features a safety lock to avoid accidental unscrewing of the port. Specifications: Depth Rating:...

    $279.95
  • Sea and Sea ML-NX Conversion Ring 30

    Sea & Sea ML-NX Conversion Ring 30

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

    SKU: SS-30126

    Sea & Sea ML-NX Conversion Ring 30 Part #: SS-30126 Product Overview: Sea & Sea's ML-NX Conversion Ring, when used, allows for the use of NX ports and extension rings on mirrorless housings. Dimensions (DIAxD) 133 x 41.2mm / 5.2 x 1.6...

    $419.95
  • 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
  • Sea and Sea Locking Extension Ring 40L

    Sea & Sea Locking Extension Ring 40L

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

    SKU: SS-30125

    Sea & Sea Locking Extension Ring 40L Product Overview: Sea & Sea's new Locking Extension Rings provide additional security to your underwater camera rig. Dimensions (DIAxD) 129 x 55.5mm / 5.1 x 2.2 inches Weight Approx. 234g / 8.3 oz ...

    $299.95
  • Sea and Sea Locking Extension Ring 30L

    Sea & Sea Locking Extension Ring 30L

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

    SKU: SS-30124

    Sea & Sea Locking Extension Ring 30L Product Overview: Sea & Sea's new Locking Extension Rings provide additional security to your underwater camera rig. Dimensions (DIAxD) 129 x 45.5mm / 5.1 x 1.8 inches Weight Approx. 194g / 6.8 oz ...

    $284.95
  • Sea and Sea Locking Extension Ring 20L

    Sea & Sea Locking Extension Ring 20L

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

    SKU: SS-30123

    Sea & Sea Locking Extension Ring 20L Product Overview: Sea & Sea's new Locking Extension Rings provide additional security to your underwater camera rig. Dimensions (DIAxD) 129 x 35.5mm / 5.1 x 1.4 inches Weight Approx. 154g / 5.4...

    $279.95
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