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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!

24 of 28 Items
  • Marelux Extension Ring 35 for MX-RX100M7 Housing

    Marelux Extension Ring 35 for MX-RX100M7 Housing

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

    SKU: MX-32401

    Marelux Extension Ring 35    The Marelux Extension Ring 35 for MX-RX100M7 Housing.       We offer lifetime support with all purchases.Please call or email us with any questions, our knowledgable staff would love to assist you...

    $120.00
    Add to Cart
  • Marelux Extension Ring 15 with Lock

    Marelux Extension Ring 15 with Lock

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

    SKU: MX-32001

    Marelux Extension Ring 15 with Lock   Product Overview: The Marelux Extension Ring 15 with Lock extends your port system by 15mm and it features a safety lock to avoid accidents Specifications: Depth Rating: 150m Port Mount: Series 5 Body Material:...

    $236.00
    Add to Cart
  • Marelux Extension Ring 40 with Focus Knob Sony FX3

    Marelux Extension Ring 40 with Focus Knob (Sony FX3)

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

    SKU: MX-32202

    Marelux Extension Ring 40 with Focus Knob For Sony FX3  Product Overview: The Marelux Extension Ring 40 with Lock extends your port system by 40mm and it features a know to manually adjust the focus. Specifications: Depth Rating: 150m Port...

    $536.00
    Add to Cart
  • Marelux Extension Ring 40 with Focus Knob

    Marelux Extension Ring 40 with Focus Knob

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

    SKU: MX-32101

    Marelux Extension Ring 40 with Focus Knob Product Overview: The Marelux Extension Ring 40 with Lock extends your port system by 40mm and it features a know to manually adjust the focus. Specifications: Depth Rating: 150m Port Mount: Series 5...

    $446.00
    Add to Cart
  • Marelux Extension Ring 100 with Lock

    Marelux Extension Ring 100 with Lock

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

    SKU: MX-32010

    Marelux Extension Ring 100 with Lock Product Overview: The Marelux Extension Ring 100 with Lock extends your port system by 100mm and it features a safety lock to avoid accidents Specifications: Depth Rating: 150m Port Mount: Series 5 ...

    $436.00
    Add to Cart
  • Marelux Extension Ring 90 with Lock

    Marelux Extension Ring 90 with Lock

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

    SKU: MX-32009

    Marelux Extension Ring 90 with Lock Product Overview: The Marelux Extension Ring 90 with Lock extends your port system by 90mm and it features a safety lock to avoid accidents Specifications: Depth Rating: 150m Port Mount: Series 5 Body...

    $406.00
    Add to Cart
  • Marelux Extension Ring 20 with Lock

    Marelux Extension Ring 20 with Lock

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

    SKU: MX-32002

    Marelux Extension Ring 20 with Lock Product Overview: The Marelux Extension Ring 20 with Lock extends your port system by 20mm and it features a safety lock to avoid accidents Specifications: Depth Rating: 150m Port Mount: Series 5 Weight...

    $246.00
    Add to Cart
  • Marelux Extension Ring 30 with Lock

    Marelux Extension Ring 30 with Lock

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

    SKU: MX-32003

    Marelux Extension Ring 30 with Lock Product Overview: The Marelux Extension Ring 30 with Lock extends your port system by 30mm and it features a safety lock to avoid accidents Specifications: Depth Rating: 150m Port Mount: Series 5 Weight...

    $266.00
    Add to Cart
  • Marelux Extension Ring 40 with Lock

    Marelux Extension Ring 40 with Lock

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

    SKU: MX-32004

    Marelux Extension Ring 40 with Lock Product Overview: The Marelux Extension Ring 40 with Lock extends your port system by 40mm and it features a safety lock to avoid accidents Specifications: Depth Rating: 150m Port Mount: Series 5 Weight...

    $286.00
    Add to Cart
  • Marelux Extension Ring 50 with Lock

    Marelux Extension Ring 50 with Lock

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

    SKU: MX-32005

    Marelux Extension Ring 50 with Lock Product Overview: The Marelux Extension Ring 50 with Lock extends your port system by 50mm and it features a safety lock to avoid accidents Specifications: Depth Rating: 150m Port Mount: Series 5 Weight...

    $306.00
    Add to Cart
  • Marelux Extension Ring 60 with Lock

    Marelux Extension Ring 60 with Lock

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

    SKU: MX-32006

    Marelux Extension Ring 60 with Lock   Product Overview: The Marelux Extension Ring 60 with Lock extends your port system by 60mm and it features a safety lock to avoid accidents Specifications: Depth Rating: 150m Port Mount: Series 5 ...

    $326.00
    Add to Cart
  • Marelux Extension Ring 70 with Lock

    Marelux Extension Ring 70 with Lock

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

    SKU: MX-32007

    Marelux Extension Ring 70 with Lock   Product Overview: The Marelux Extension Ring 70 with Lock extends your port system by 70mm and it features a safety lock to avoid accidents Specifications: Depth Rating: 150m Port Mount: Series 5 ...

    $346.00
    Add to Cart
  • Marelux Extension Ring 80 with Lock

    Marelux Extension Ring 80 with Lock

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

    SKU: MX-32008

    Marelux Extension Ring 80 with Lock   Product Overview: The Marelux Extension Ring 80 with Lock extends your port system by 80mm and it features a safety lock to avoid accidents Specifications: Depth Rating: 150m Port Mount: Series 5 ...

    $376.00
    Add to Cart
  • Marelux Sea and Sea to Marelux Extension Ring 20

    Sea & Sea to Marelux Extension Ring 20

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

    SKU: MX-31702

    Sea & Sea to Marelux Extension Ring 20 Canon EF 11-24mm F4 Lens Not Supported Product Overview: The Sea & Sea to Marelux Extension Ring 20 extends your port system by 20mm and allows you to use your Sea & Sea ports with your Marelux...

    $200.00
    Add to Cart
  • Marelux Nauticam to Marelux Extension Ring 20

    Nauticam to Marelux Extension Ring 20

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

    SKU: MX-31701

    Nauticam to Marelux Extension Ring 20 Canon EF 11-24mm F4 Lens Not Supported Product Overview: The Nauticam to Marelux Extension Ring 20 extends your port system by 20mm and allows you to use your Nauticam ports with your Marelux housing.  ...

    $200.00
    Add to Cart
  • Aquatica Step Up Extension Ring for Mirrorless Lenses

    Aquatica Step Up Extension Ring for Mirrorless Lenses

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

    SKU: AQ-30616

    Aquatica Step Up Extension Ring for Mirrorless Lenses Part #: AQ-30616 Product Overiew: Aquatica Extension Ring designed to be used with the various mirrorless lenses such as Olympus 7-14mm Pro Lens, Panasonic 8-18mm Lens and Sony 12mm E-Mount Lens ...

    $195.00
    Add to Cart
  • Aquatica Extension Ring 96.5 mm #48466

    Aquatica Extension Ring 96.5 mm #48466

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

    SKU: AQ-48466

    Aquatica Extension Ring 96.5 mm Part #: AQ-48466 Product Overview: For use with Aquatica ports in order you utilize your favorite lens.     Please click here for Aquatica Port Chart. Please call the Bluewater Photo team at 310-633-5052 with any...

    $429.00
    Add to Cart
  • Aquatica Extension Ring 97.5 mm #48454

    Aquatica Extension Ring 97.5 mm #48454

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

    SKU: AQ-48454

    Aquatica Extension Ring 97.5 mm Part #: AQ-48454 Product Overview: For use with Aquatica ports in order you utilize your favorite lens.     Please click here for Aquatica Port Chart. Please call the Bluewater Photo team at 310-633-5052 with any...

    $369.00
    Add to Cart
  • Aquatica Extension Ring 74.5 mm #48459

    Aquatica Extension Ring 74.5 mm #48459

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

    SKU: AQ-48459

    Aquatica Extension Ring 74.5 mm Part #: AQ-48459 Product Overview: For use with Aquatica ports in order you utilize your favorite lens.     Please click here for Aquatica Port Chart. Please call the Bluewater Photo team at 310-633-5052 with any...

    $329.00
    Add to Cart
  • Aquatica Extension Ring 21.5mm

    Aquatica Extension Ring 21.5mm

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

    SKU: AQ-48463

    Aquatica Extension Ring 21.5mm part# AQ-18463 Product Overiew: This extension ring is compatible with Aquatica DSLR underwater housing line.   Please click here for Aquatica Port Chart. Please call the Bluewater Photo team at 310-633-5052 with any...

    $269.00
    Add to Cart
  • Aquatica Extension Ring 39.5mm #18462

    Aquatica Extension Ring 39.5mm #18462

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

    SKU: AQ-48462

    Aquatica Extension Ring 39.5mm Part #: AQ-18462 Product Overview: For use with Aquatica ports in order you utilize your favorite lens.     Please click here for Aquatica Port Chart. Please call the Bluewater Photo team at 310-633-5052 with any...

    $269.00
    Add to Cart
  • Aquatica 52mm Extension Ring for Mirrorless Housings 30604

    Aquatica 52mm Extension Ring for Mirrorless Housings 30604

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

    SKU: AQ-30604

    Aquatica 52mm Extension Ring Part #: AQ-30604 Product Overview: For use with Aquatica mirrorless underwater housings The ring is required for lenses including: Olympus 12-50mm micro-four thirds lens   Please click here for Aquatica Port Chart...

    $199.00
    Add to Cart
  • Aquatica 32mm extension ring 30601

    Aquatica 32mm extension ring 30601

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

    SKU: AQ-30601

    Aquatica 32mm Extension Ring Part #: AQ-30601 Product Overview: For Panasonic 7-14mm F4 lens and Aquatica mirrorless underwater housings 32mm in length   Please click here for Aquatica Port Chart. Please call the Bluewater Photo team at...

    $189.00
    Add to Cart
  • Aquatica 58mm Extension Ring for 9-18mm and 12-40mm

    Aquatica 58mm Extension Ring for 9-18mm and 12-40mm

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

    SKU: AQ-30602

    Aquatica 58mm Extension Ring for 9-18mm and 12-40mm part # AQ-30602 The 58mm Port Extension Ring for Select Olympus Micro Four Thirds Lenses from Aquatica, extends the length of the lens port, providing the extra space needed to accommodate the lens...

    $199.00
    Add to Cart
24 of 28 Items

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