Seafrogs Underwater Housing for Sony Alpha 7R IV A7R4 [40M/130FT] Waterproof Case for A7r4 (ILCE-7RM4A)+FE 28-70mm f3.5-5.6(w/Zoom Gear),16-35mm F4, 24-70mm F4, 24mm F1.4 GM, Black

👍COMPATIBLE: This Underwater housing is specially designed for Sony Alpha 7R IV (ILCE-7RM4A) . Easily operate all Camera controls underwater with an external buttons

👍The waterproof cases are not only for diving, with these housings, you no longer have to worry about your camera if it is raining, snowy or dusty

👍Vacuum Pump System port :Compatible with Seafrogs VPS-100 vacuum pump system, for checking the water tightness of underwater camera housing before submerging ( Housing itself has a Built-in leak detection sensor

👍Extention Ports for more accessories: 1.Lens barrel can be replaced with wide angle fisheye lens(Optional), 2. Its bottom is stainless steel and can be mounted on an duable handle Tray (Optional).3. Equipped with cold shoe mount and data connector for underwater Strobe system

👉 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)