[05-er9023] Sea Frogs Extension Adapter Ring V1 for 6" & 8" Dome Ports

Sea Frogs

Sea Frogs Extension Adapter Ring V1 for 6" & 8" Dome Ports

SKU: ER9023

€59.00 €86.00

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Dive Deep, Connect Easily - Adapter Ring

Sea Frogs Extension Adapter Ring V1 for 6" & 8" Dome Ports

Sea Frogs 90mm Bayonet Mount| 23mm Extension Ring

The Sea Frogs Extension Adapter Ring V1 adds a 23mm (.91'') extension for use with Sea Frogs 6" and 8" dome ports. It features the 90mm (3.54'') bayonet mount and fits most Sea Frogs underwater housings, excluding the A6xxx and RX1xx series models. If you already own a Sea Frogs dome port, there's no need to purchase a new one to fit a different lens—simply swap the extension ring for a perfect setup.

Please note: Extension rings are not suitable for flat ports and cannot be stacked.

Specifications

Compatible Lenses:

Sony Lenses:

  • Sony E 10-18mm F4 OSS (autofocus, manual zoom gear available)

  • Sony E 10-20mm F4 PZ G (autofocus only) Zoom gears are unavailable for the Sony FX3/FX30 and ZV‑E1/ZV‑E10 models that rely on in‑camera zoom control.

  • Sony E 20mm F2.8 (autofocus only)

  • Sony E 24mm F1.8 ZA (autofocus only)

  • Sony E 50mm F1.8 OSS (autofocus only)

  • Sony E16-50 f3.5-5.6 PZ OSS (autofocus, manual zoom gear available) Zoom gears are unavailable for the Sony FX3/FX30 and ZV‑E1/ZV‑E10 models that rely on in‑camera zoom control.

  • Sony FE 20mm F1.8G (autofocus only)

  • Sony FE 28mm F2 (autofocus only)

Sigma Lenses:

  • Sigma 10-18mm F2.8 DC DN E-Mount (autofocus, manual zoom gear available)

  • Sigma 16mm F1.4 DC DN E-Mount (autofocus only)

  • Sigma 19mm F2.8 DN Art E-Mount (autofocus only)

  • Sigma 30mm F1.4 DC DN | C E-Mount (autofocus only)

  • Sigma 60mm F2.8 DN Art E-Mount (autofocus only)

Canon Lenses:
Fujifilm Lenses:

  • Fujifilm XC 16-50mm F3.5-5.6 OIS II (autofocus, manual zoom gear available)

  • Fujifilm XF 10-24mm F4 R OIS (autofocus only) Zoom Gear not Available

  • Fujifilm XF 14mm F2.8 R (autofocus only)

  • Fujifilm XF 16mm F1.4 R WR (autofocus only)

  • Fujifilm XF 18-55mm F2.8-4 R LM OIS (autofocus, manual zoom gear available)

  • Fujifilm XF 18mm F2 R (autofocus only)

  • Fujifilm XF 23mm F1.4 R (autofocus only)

  • Fujifilm XF 23mm F2 R WR (autofocus only)

  • Fujifilm XF 35mm F1.4 R (autofocus only)

  • Fujifilm XF 35mm F2 R WR (autofocus only)

  • Fujifilm XF 50mm F2 R WR (autofocus only)

  • Fujifilm XF 56mm F1.2 R (autofocus only)

Rokinon/Samyang Lenses:

  • Rokinon/Samyang 8mm F2.8 UMC FISH EYE II E-Mount (autofocus only)

Samyang Lenses:

  • Samyang 12mm F2.0 AF E-Mount (autofocus only)

  • Samyang AF 14mm F2.8 FE E-Mount (autofocus only)

Compatible Sea Frogs Underwater Camera Housings:

for Canon Cameras:
for Sony Cameras:
for Fujifilm Cameras:

Bayonet:

  • Fits Sea Frogs housings with:

    90mm (3.54'') bayonet

Dimensions and Weight:

  • Extension Length: 23mm (.91'')

  • Port Opening Diameter: 90mm (3.54'')

  • Length (including Bayonet): 40mm (1.57'')

  • Weight: ±86gr (.19lb)

Materials:

  • Polycarbonate

Package Includes:

  • Sea Frogs Extension Adapter Ring V1 for 6" & 8" Dome Ports x1

  • Spare O-ring

  • Silicone grease 5ml

Disclaimer: Every effort has been made to ensure that the descriptions and images provided are accurate and up-to-date. However, occasional errors may occur, and product features, specifications, or appearances may change without notice. We recommend verifying any details that are critical to your purchasing decision.

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