Depth's Transparent View - Flat Ports
Sea Frogs 4'' Optical Glass Flat Short Port
4"|Optical Glass|Short 90mm (3.54")|90mm Bayonet
The Sea Frogs 4'' (102mm) Optical Glass Flat Short (90mm/3.54'') 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.
The 4'' (102mm) Flat Port is rated for depths of up to 40 meters (130 feet), ensuring reliable underwater performance.
FAQ
How deep can I use this port?
The 4'' Flat Port is rated for depths of up to 40 meters (130 feet).
Is it compatible with my Sea Frogs housing?
This port uses a 90mm (3.54'') bayonet mount. It is compatible with most Salted Line / Sea Frogs housings, excluding A6xxx and RX1xx series models.
Specification
Bayonet
- 90mm (3.54'')
Materials
- Optical Glass
- Polycarbonate (Base)
Dimensions
- Width102mm (4'')
- Height102mm (4'')
- Length90mm (3.54'')
- Weight±475g (1.047lb)
Compatible Lenses
Sony Lenses:
- Sony E 50mm F1.8 OSS (autofocus only) Focus Gear not Available
- Sony FE 28-70mm F3.5-5.6 OSS (autofocus, manual zoom gear available)
- Sony FE 28mm F2 (autofocus only) Focus Gear not Available
- Sony FE 35mm F1.8 (autofocus only) Focus Gear not Available
- Sony FE 50mm F1.4 GM (autofocus only) Focus Gear not Available
- Sony FE 50mm F1.8 (autofocus only) Focus Gear not Available
- Sony FE 85mm F1.8 (autofocus only) Focus Gear not Available
- Sony FE PZ 16-35mm F4 G (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.
Sigma Lenses:
- Sigma 18-50mm F2.8 DC DN E-Mount (autofocus, manual zoom gear available)
Canon Lenses:
- Canon EF-M 11-22mm F4-5.6 IS STM (autofocus, manual zoom gear available)
- Canon EF-M 15-45mm F3.5-6.3 IS STM (autofocus, manual zoom gear available)
- Canon EF-M 18-55mm F3.5-5.6 IS STM (autofocus, manual zoom gear available)
Fujifilm Lenses:
- Fujifilm XF 18-55mm F2.8-4 R LM OIS (autofocus, manual zoom gear available)
Compatible Housings
Sony Housings:
- Sea Frogs CH A6600
- Salted Line CH A6700
- Sea Frogs CH A6700
- Salted Line CH A1
- Sea Frogs CH A1
- Sea Frogs CH A7C
- Sea Frogs CH A7CII/A7CR
- Salted Line CH A7III/A7RIII
- Sea Frogs CH A7RIII
- Salted Line CH A7SIII
- Sea Frogs CH A7SIII
- Salted Line CH A7IV
- Sea Frogs CH A7IV
- Sea Frogs CH A7IV NG
- Sea Frogs CH A7RIV
- Sea Frogs CH A7RV
- Salted Line CH A7RV/A7V
- Salted Line CH A9
- Sea Frogs CH A9
- Sea Frogs CH A9II
- Sea Frogs CH FX3
- Sea Frogs CH FX30
- Salted Line CH FX3/FX30
- Sea Frogs CH ZVE1
- Sea Frogs CH ZVE10
Canon Housings:
Fujifilm Housings: