Seafrog Professional Waterproof Housing 6" Dry Dome Port Kit, for Sony A7S III A7SIII A7S3 A7 SIII Alpha 7S III with 16-35mm F4 (Zoom Gear Included) Underwater 40m/130fit Diving Case-Black
Come with a Standard Underwater Housing for SonyA7S III and also a 6" Dry dome port
Built leak detection sensor, and Vacuum Pump System port Design
Stainless steel mounting plate 1/4" Thread
Dry dome port will help to produce half above water and Half underwater imgae/ Vodeo easily. also have fisheye effect
Please kindly note that Silicone Grease (Purchase separately) will help O ring Well seal this underwater case. ( Please contact seller If you are not sure what kind of Silicone Grease will work)