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Extension Rings

96 of 148 Items
  • Nauticam N100 Extension Ring 50

    Nauticam N100 Extension Ring 50

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

    SKU: NAU-37403

    Nauticam N100 Extension Ring 50 Part #: Nau-37403 Product Overview: Nauticam Extension Ring 50 is designed to be used with N100 port system and has an effective length of 50mm

    $450.00
    Add to Cart
  • Nauticam Zoom Gear for Nikkor 14-30mm f4 S (V3)

    Nauticam Zoom Gear for Nikkor 14-30mm f4 S (V3)

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

    SKU: NAU-19235

    Nauticam Zoom Gear for Nikkor 14-30mm f4 S (V3)   Product Overview: The Nauticam Zoom Gear for Nikkor Z 14–30mm f/4 S (V3) provides smooth and precise zoom control when using the Nikkor Z 14–30mm f/4...

    $330.00
    Add to Cart
  • Nauticam Zoom Gear for Nikkor Z 24-70mm f2.8 S II (V3)

    Nauticam Zoom Gear for Nikkor Z 24-70mm f2.8 S II (V3)

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

    SKU: NAU-19236

    Nauticam Gear Set for Nikkor Z MC 105mm F/2.8 VR S (V3)   Product Overview: The Nauticam Zoom Gear for Nikkor Z 24–70mm f/2.8 S II (V3) enables smooth and precise zoom control when using the Nikkor Z...

    $280.00
    Add to Cart
  • Nauticam N100 Extension Ring 50 II

    Nauticam N100 Extension Ring 50 II

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

    SKU: NAU-37433

    Nauticam N100 Extension Ring 50 II   Product Overview: The Nauticam N100 Extension Ring 50 II has been designed to extend the port by 50mm (effective length) and popularly used with these lenses...

    $610.00
    Add to Cart
  • Nauticam N100 Extension Ring 30 II Nauticam N100 Extension Ring 30 II

    Nauticam N100 Extension Ring 30 II

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

    SKU: NAU-37430

    Nauticam N100 Extension Ring 30 II   Product Overview: The Nauticam N100 Extension Ring 30 II has been designed to extend the port by 30mm (effective length) and popularly used with these lenses...

    $550.00
    Add to Cart
  • 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...

    $299.95
    Add to Cart
  • 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...

    $284.95
    Add to Cart
  • 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...

    $279.95
    Add to Cart
  • Sale
    Nauticam USED: Nauticam N120 80mm Extension Ring (Type 1) Nauticam USED: Nauticam N120 80mm Extension Ring (Type 1) Nauticam USED: Nauticam N120 80mm Extension Ring (Type 1)

    USED: Nauticam N120 80mm Extension Ring (Type 1)

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

    SKU: USER-NAU-21180

    Nauticam N120 Extension Ring 80 (Type 1)   This product is sold by a third party seller. While we do our best to vet the authenticity of the listing, we are not responsible for any inaccuracies in...

    $250.00
    $510.00
    Add to Cart
  • Zen Port Adapter for Olympus OM-D housing

    Zen Port Adapter for Olympus OM-D housing

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

    SKU: zen.pa.ep08.ep

    Zen Adapter for Olympus OM-D Housing Product Overview: This adapter will allow the use of 3 popular Zen ports with the new style mount that Olympus has incorporated on Olympus brand OM-D...

    $240.00
    Add to Cart
  • Nauticam N120 80mm Extension Ring (Type 1)

    Nauticam N120 80mm Extension Ring (Type 1)

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

    SKU: NAU-21180

    Nauticam N120 Extension Ring 80 (Type 1)   Product Overview: The Nauticam N120 Extension Ring 80 II has been designed to extend the port by 80mm (effective length) and popularly used with these...

    $510.00
    Add to Cart
  • Sale
    Nauticam USED: Nauticam N120 80mm Extension Ring (Type 1)

    USED: Nauticam N120 80mm Extension Ring (Type 1)

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

    SKU: NAU-21180.0

    USED: Nauticam N120 Extension Ring 80 (Type 1)   CONDITION: LIKE NEW Product Overview: The Nauticam N120 Extension Ring 80 II has been designed to extend the port by 80mm (effective length) and...

    $437.00
    $510.00
    Add to Cart
  • Sale
    Nauticam USED: Nauticam N120 Bayonet Ring for Sea & Sea ports

    USED: Nauticam N120 Bayonet Ring for Sea & Sea ports

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

    SKU: SS-30203-USED-1

    USED: Nauticam N120 Bayonet Ring for Sea & Sea ports   Condition: Excellent Product Overview: This bayonet ring allows for the attachment of Sea & Sea ports to Nauticam housings - N120 port mounts.  ...

    $32.95
    $56.00
  • Nauticam N120 Extension Ring 90 II Nauticam N120 Extension Ring 90 II

    Nauticam N120 Extension Ring 90 II

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

    SKU: NAU-22190

    Nauticam N120 Extension Ring 90 II     Product Overview: The Nauticam N120 Extension Ring 90 II has been designed to extend the port by 90mm (effective length)  

    $850.00
    Add to Cart
  • Nauticam N120 Extension Ring 80 II Nauticam N120 Extension Ring 80 II

    Nauticam N120 Extension Ring 80 II

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

    SKU: NAU-22180

    Nauticam N120 Extension Ring 80 II   Product Overview: The Nauticam N120 Extension Ring 80 II has been designed to extend the port by 80mm (effective length) and popularly used with these lenses. ...

    $840.00
    Add to Cart
  • Nauticam N120 70mm Extension Ring II

    Nauticam N120 70mm Extension Ring II

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

    SKU: NAU-22170

    Nauticam N120 70mm Extension Ring II   Product Overview: The Nauticam N120 Extension Ring 70 II has been designed to extend the port by 70mm (effective length) and popularly used with these lenses. ...

    $820.00
    Add to Cart
  • Nauticam N120 Extension Ring 60 II Nauticam N120 Extension Ring 60 II

    Nauticam N120 Extension Ring 60 II

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

    SKU: NAU-22160

    Nauticam N120 Extension Ring 60 II   The Nauticam N120 Extension Ring 60 II is made from aluminum anodized alloy and has an effective length of 60mm with a N120 port system.

    $800.00
    Add to Cart
  • Nauticam N120 Extension Ring 55 II Nauticam N120 Extension Ring 55 II

    Nauticam N120 Extension Ring 55 II

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

    SKU: NAU-22155

    Nauticam N120 Extension Ring 55 II   Product Overview: The Nauticam N120 Extension Ring 55 II has been designed to extend the port by 55mm.    

    $780.00
    Add to Cart
  • Nauticam N120 Extension Ring 50 II Nauticam N120 Extension Ring 50 II Nauticam N120 Extension Ring 50 II

    Nauticam N120 Extension Ring 50 II

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

    SKU: NAU-22150

    Nauticam N120 Extension Ring 50 II   Product Overview: The Nauticam N120 Extension Ring 50 II has been designed to extend the port by 50mm  

    $760.00
    Add to Cart
  • Nauticam N120 Extension Ring 40 II Nauticam N120 Extension Ring 40 II Nauticam N120 Extension Ring 40 II

    Nauticam N120 Extension Ring 40 II

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

    SKU: NAU-22140

    Nauticam N120 Extension Ring 40 II   Product Overview: The Nauticam N120 Extension Ring 40 II has been designed to extend the port by 40mm and is popularly used with the following lenses and Nauticam...

    $740.00
    Add to Cart
  • Nauticam N120 Extension Ring 35 II Nauticam N120 Extension Ring 35 II Nauticam N120 Extension Ring 35 II

    Nauticam N120 Extension Ring 35 II

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

    SKU: NAU-22135

    Nauticam N120 Extension Ring 35 II   Product Overview: Nauticam N120 Extension Ring 35 with Lock is made from aluminum alloy and is designed to extend the port by 35mm.  

    $720.00
    Add to Cart
  • Nauticam N120 Extension Ring 30 II Nauticam N120 Extension Ring 30 II Nauticam N120 Extension Ring 30 II

    Nauticam N120 Extension Ring 30 II

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

    SKU: NAU-22130

    Nauticam N120 Extension Ring 30 II   Product Overview: The Nauticam N120 Extension Ring 30 II has been designed to extend the ports by 30mm.  

    $700.00
    Add to Cart
  • Nauticam N120 Extension Ring 25 II Nauticam N120 Extension Ring 25 II

    Nauticam N120 Extension Ring 25 II

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

    SKU: NAU-22125

    Nauticam N120 Extension Ring 25 II   Product Overview: The Nauticam N120 Extension Ring 25 II has been designed to extend the ports by 25mm   Check out Nauticam Port Chart

    $680.00
    Add to Cart
  • Nauticam N120 Extension Ring 20 II

    Nauticam N120 Extension Ring 20 II

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

    SKU: NAU-22120

    Nauticam N120 Extension Ring 20 II   Product Overview: The Nauticam N120 Extension Ring 20 II has been designed to extend the ports by 20mm and popularly used with lenses such as Tokina 10-17mm FE...

    $660.00
    Add to Cart
  • Nauticam N120 Extension Ring 10 II

    Nauticam N120 Extension Ring 10 II

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

    SKU: NAU-22110

    Nauticam N120 Extension Ring 10 II   Product Overview: The Nauticam N120 Extension Ring 10 II has been designed to extend the ports by 10mm and popularly used with these lenses to place the dome in...

    $280.00
    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...

    $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...

    $200.00
    Add to Cart
  • Isotta 50mm Extension Ring B120

    Isotta 50mm Extension Ring B120

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

    SKU: ISO-207

    Isotta 50mm Extension Ring B120 for Isotta Housings   The Isotta 50mm Extension Ring B120 has 102mm bayonet and is designed to be used with Isotta housings. It is built from black anodized...

    $215.05
    Add to Cart
  • Nauticam N85 to N120 34.7MM Port Adaptor

    Nauticam N85 to N120 34.7MM Port Adaptor

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

    SKU: NAU-36064

    Nauticam N85 to N120 34.7MM Port Adaptor For Metabones EF-MFT Mount T Speed Booster Ultra 0.71x *Discontinued Part #: Nau-36064 Product Overview:

    $544.00
  • Isotta 70mm Extension Ring B120

    Isotta 70mm Extension Ring B120

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

    SKU: ISO-224

    Isotta 70mm Extension Ring B120 for Isotta Housings   The Isotta 70mm Extension Ring B120 has 102mm bayonet and is designed to be used with Isotta housings. It is built from black anodized...

    $240.35
    Add to Cart
  • Isotta 20mm Extension Ring B120

    Isotta 20mm Extension Ring B120

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

    SKU: ISO-179

    Isotta 20mm Extension Ring B120 for Isotta Housings   The Isotta 20mm Extension Ring B120 has 102mm bayonet and is designed to be used with Isotta housings. It is built from black anodized...

    $177.10
    Add to Cart
  • Ikelite DL Port Extension 2in

    Ikelite DL Port Extension 2in

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

    SKU: IKE-5516.69

    Ikelite DL Port Extension 2.0in Part #: Ike-5516.69 This Ikelite Port Extension extends the port by 2.0in and designed to be used with the new dry lock port system.   Please see Ikelite DryLock...

    $219.95
    Add to Cart
  • Ikelite DL Port Extension 1.6in

    Ikelite DL Port Extension 1.6in

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

    SKU: IKE-5516.67

    Ikelite DL Port Extension 1.6in Part #: Ike-5516.67 This Ikelite Port Extension extends the port by 1.6in and designed to be used with the new dry lock port system.   Please see Ikelite DryLock...

    $219.95
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  • Nauticam 90mm Extension Ring Nau-21190

    Nauticam 90mm Extension Ring Nau-21190

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

    SKU: NAU-21190

    Nauticam 90mm Extension Ring DISCONTINUED   Product Overview: This is the Nauticam 90mm extension ring.   * For instructions on installation please click

    $582.00
  • Nauticam E16 Pancake Port with 67mm Thread

    Nauticam E16 Pancake Port with 67mm Thread

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

    SKU: NAU-36126

    Nauticam E16 Pancake Port With 67mm Thread * This item is non-returnable, non-refundable, non-cancellable, and may be subject to extended lead times as it is manufactured on demand. We always do our...

    $400.00
    Add to Cart
  • Nauticam N100 Extension Ring 30

    Nauticam N100 Extension Ring 30

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

    SKU: NAU-37401

    Nauticam N100 Extension Ring 30 Part #: Nau-37401 **1 Left in Stock before Discontinued Product Overview: Nauticam Extension Ring 30 is designed to be used with N100 port system and has an effective...

    $351.00
  • Nauticam N200 Extension Ring 30

    Nauticam N200 Extension Ring 30

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

    SKU: NAU-16402

    Nauticam N200 Extension Ring 30 Part #: NAU-16402 Product Overview: Nauticam N200 Extension Ring 30 is designed to provide a 30mm effective length to an N200 Port setup.   

    $1,000.00
    Add to Cart
  • Nauticam N200 Extension Ring 40

    Nauticam N200 Extension Ring 40

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

    SKU: NAU-16403

    Nauticam N200 Extension Ring 40 Part #: NAU-16403 Product Overview: Nauticam N200 Extension Ring 40 is designed to provide a 40mm effective length to an N200 Port setup.   

    $1,200.00
    Add to Cart
  • Nauticam N200 Extension Ring 50

    Nauticam N200 Extension Ring 50

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

    SKU: NAU-16404

    Nauticam N200 Extension Ring 50 Part #: NAU-16404 Product Overview: Nauticam N200 Extension Ring 50 is designed to provide a 50mm effective length to an N200 Port setup.   

    $1,300.00
    Add to Cart
  • Olympus PER-E01 Port Extension Ring

    Olympus PER-E01 Port Extension Ring

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

    SKU: OLY-PER-E01

    Olympus PER-E01 Port Extension Ring for Olympus OM-D Housing   Product Overview: The Olympus PER-E01 Port Extension Ring is designed to be used with Olympus EC-14 1.4x teleconverter for...

    $179.99
  • Sale
    Olympus PAD-EP08 Port Extension Adapter for Olympus OM-D Housing

    Olympus PAD-EP08 Port Extension Adapter for Olympus OM-D Housing

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

    SKU: OLY-PAD-EP08

    Olympus PAD-EP08 Port Adapter for Olympus OM-D Housing   Product Overview: The Olympus PAD-EP08 Port Adapter attaches to Port Extension Ring PER-E01 for Lens Port PPO-E01, PPO-E04 or PPO-E03...

    $149.95
    $149.99
96 of 148 Items

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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