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Sea Frogs 4" Optical Glass Flat Medium Port for Fujifilm/Sony Housings

SKU: SFFP90M4
  • $119.00
  • $101.00
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Sea Frogs 4" Optical Glass Flat Medium Port for Fujifilm/Sony Housings

SKU: SFFP90M4
  • $119.00
  • $101.00
FlatPorts: Your Window to the Deep

Sea Frogs 4" Optical Glass Flat Medium Port for Fujifilm/Sony Housings

4" | Optical Glass | Medium 100mm (3.94") | 90mm Bayonet

The Sea Frogs 4'' (102mm) Optical Glass Flat Medium (100mm/3.94'') Port Designed with a 90mm (3.54'') bayonet mount. It is compatible with most Sea Frogs/Salted Line underwater housings, excluding A6xxx and RX1xx series models

How deep can it go?

The 4'' (102mm) Flat Port is rated for depths of up to 40 meters (130 feet), ensuring reliable underwater performance.

Specifications

Compatible Lenses:

Sony Lenses:

  • Sony E PZ 18-105mm F4 G OSS (autofocus, manual zoom gear available) Zoom gears are not available for the Sony FX3/FX30 and ZV‑E1/ZV‑E10 models that rely on in‑camera zoom control.

  • Sony FE 16-35mm F4 ZA OSS (autofocus, manual zoom gear available) Optimal working range 17mm to 35mm

  • Sony FE 24-70mm F4 ZA OSS (autofocus only) Works only at 24mm

  • Sony FE 24mm F1.4 GM (autofocus only) Focus Gear not Available

  • Sony FE 50mm F2.8 Macro (autofocus only) Focus Gear not Available

  • Sony FE 55mm F1.8 ZA Carl Zeiss Sonnar T* (autofocus only) Focus Gear not Available

Sigma Lenses:

  • Sigma 35mm F2 DG DN E-Mount (autofocus only) Focus Gear not Available

Fujifilm Lenses:

  • Fujifilm XF 18-55mm F2.8-4 R LM OIS (autofocus, manual zoom gear available) Only X-T4/X-T5

  • Fujifilm XF 56mm F1.2 R (autofocus only) Focus Gear not Available

Viltrox Lenses:

  • Viltrox AF 85mm F1.8 FE II E-Mount (autofocus only) Focus Gear not Available

Compatible Sea Frogs Underwater Camera Housings:

for Sony Cameras:
for Fujifilm Cameras:

Bayonet:

  • Fits Sea Frogs housings with:

    90mm (3.54'') bayonet

Dimensions and Weight:

  • Width: 102mm (4'')

  • Height: 102mm (4'')

  • Length: 100mm (3.94'')

  • Weight: ±516gr (1.138lb)

Materials:

  • Optical Glass

  • Polycarbonate (Base)

Key Features:

  • Standard Sea Frogs 90mm Bayonet Mount

Package Includes:

  • Sea Frogs 4" Optical Glass Flat Medium Port for Fujifilm/Sony Housings x1

  • Flat Port Cap (Back) x1

  • Spare O-ring x1

  • 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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