Sea Frogs 4'' - 90mm Bayonet Optical Glass Flat Ports for Canon/Fujifilm/Sony Housings

Depth's Transparent View - Flat Ports Sea Frogs 4'' Optical Glass Flat Short Port for Canon/Fujifilm/Sony Housings 4" | Optical Glass | Short 90mm (3.54") | 90mm Bayonet Also available on the Salted Line website 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 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 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 F1.8 (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 Sea Frogs Underwater Camera Housings: for Sony Cameras: 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 Salted Line CH A7IV GEN2 Sea Frogs CH A7IV Sea Frogs CH A7IV NG Sea Frogs CH A7RIV Salted Line CH A7RV/A7V Sea Frogs CH A7RV Salted Line CH A9 Sea Frogs CH A9 Sea Frogs CH A9II Salted Line CH FX3/FX30 Sea Frogs CH FX3 Sea Frogs CH FX30 Sea Frogs CH ZVE1 Sea Frogs CH ZVE10 for Canon Cameras: Sea Frogs CH M50/M50II for Fujifilm Cameras: Sea Frogs CH XH2/XH2S Sea Frogs CH XS20 Bayonet: Fits Sea Frogs housings with: 90mm (3.54'') bayonet Dimensions and Weight: Width: 102mm (4'') Height: 102mm (4'') Length: 90mm (3.54'') Weight: ±475gr (1.047lb) Materials: Optical Glass Polycarbonate (Base) Key Features: Standard Sea Frogs 90mm Bayonet Mount Package Includes: Sea Frogs 4'' Optical Glass Flat Short Port for Canon/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.