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Isotta 50mm Extension Ring B120

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  • Made from black anodized aluminum
  • Dual o-ring seal
  • Depth rating of 100m

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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 material which is durable yet lightweight. It provides an extra length of 50mm to your port in order to accomodate the lens. It features a dual o-ring seal which ensures that there will be no leak. With the extension ring, your camera rig can go to depths up to 100 meters.


Please see Isotta Port Chart

We dive with our products all the time. Please call the Bluewater Photo team at 310-633-5052 with any questions, or email us at

  • Material: Anodized Black Aluminum
  • Seal: Dual O-Ring System
  • Extension Length: 50mm
Weight: 1.00 LBS
Dimensions: 6.00 (in) × 6.00 (in) × 6.00 (in)
Free Worldwide Shipping: No
Brand: Isotta
  • Port extension
  • 2 O-Ring seals

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