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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!

  • Precision Modular Port Body for Ikelite

    Precision Modular Port Body for Ikelite

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

    SKU: PRE-MPB-IKE

    Precision Modular Port Body for Ikelite Product Overview: The Modular Port Body which is designed to work with the Prec-5in-Nik-ike and Prec-5in-Tok-ike Precision 5" Dome as well as ikelite's modular flat port system and Focus Extension. There are no...

    $150.00
  • Ikelite Extended Zoom Port Body 5510.24

    Ikelite Extended Zoom Port Body 5510.24

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    SKU: IKE-5510.24

     Ikelite Extended Zoom Port Body Part #: Ike-5510.24 Product Overview: This port body is used with wide-angle lenses and the Ikelite 8-inch dome port.   Please see Ikelite Port Chart We dive with our products all the time. Please call the Bluewater...

    $250.00
  • Nauticam 30mm Extension Ring with Lock

    Nauticam 30mm Extension Ring with Lock (type I)

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    SKU: NAU-21130

    Nauticam 30mm Extension Ring with Lock (type I)   Product Overview: Used with lenses like the Canon 8-15mm, to place the dome in the proper position optically   Please see Nauticam Port Chart We dive with our products all the time. Please call...

    $422.00
  • Nauticam N120 40mm Extension Ring with Lock

    Nauticam N120 40mm Extension Ring with Lock. (Type 1)

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    SKU: NAU-21140

    Nauticam N120 40mm Extension Ring with Lock (type 1)   Product Overview: For use with the following lenses and the Nauticam 8 inch dome port: Sigma 8-16mm Tokina 10-17mm with 1.4x teleconverter Tokina 11-16mm Canon 10-22mm Canon 24mm F1...

    $439.00
  • Ikelite Port Body 5510.22

    Ikelite Port Body 5510.22

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    SKU: IKE-5510.22

    Ikelite Port Body 5510.22 Part #: Ike-5510.22 Product Overview: This Ikelite Port Body is used with the Ikelite 8" dome port (5510.45) for Ikelite DSLR housings. This mount is for select wide angle lenses, including the Tokina 11-16mm, Canon 10-22mm,...

    $250.00
  • Isotta Extension Ring 40 mm -B120

    Isotta Extension Ring 40 mm -B120

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    SKU: ISO-200

    Isotta Extension Ring 40 mm -B120   The Isotta Extension Ring ISO-200 features a 120mm bayonet and extends the port by 40mm. The extension ring is built from black anodized anticorodal aluminum which makes it durable and robust. In addition, it also...

    $193.00
  • Isotta Extension Ring 60 mm -B120

    Isotta Extension Ring 60 mm -B120

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

    SKU: ISO-218

    Isotta Extension Ring 60 mm -B120   The Isotta Extension Ring ISO-218 features a 120mm bayonet and extends the port by 60mm. The extension ring is built from black anodized anticorodal aluminum which makes it durable and robust. In addition, it also...

    $217.00
  • Nauticam N120 10mm Extension Ring Nau-21110

    Nauticam N120 10mm Extension Ring (Nau-21110)

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

    SKU: NAU-21110

    Nauticam N120 10mm Extension Ring (Type I) * 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 best to meet trip deadlines so please advise us if you...

    $186.00
  • Sale
    Ikelite USED: Ikelite Mirrorless Lens Extension - 1.2 Inch 5516.65

    USED: Ikelite Mirrorless Lens Extension - 1.2 Inch 5516.65

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

    SKU: IKE-5516.65-USED-2

    USED: Ikelite Mirrorless Lens Extension - 1.2 Inch 5516.65   SOLD Part # IKE-5516.65 Extends a Mirrorless Lens Port by 1.2 inches (30mm) for use with longer lenses.Lens compatibie with Olympus M.Zuiko...

    MSRP: $200.00
    Was: $200.00
    Now: $140.00
  • Ikelite Focus Extension for Modular Port 5510.75

    Ikelite Focus Extension for Modular Port 5510.75

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    SKU: IKE-5510.75

    Ikelite Focus Extension for Modular Port Discontinued Part # 5510.75 Product Overview: Special extension to be used with Nikon 105mm VR Macro and Canon 100mm USM Macro lenses.  Manual focus is easily adjusted with a knob on the side of the...

    $174.95

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