The recommended port configuration can be found here
63kg Port Opening Diameter 107mm Port Diameter 230mm Body Material Anodized Aluminum Alloy Port Material Acrylic Port Coating Port Shade Material Removable Port Shade Spare O-ring 90140 split
Professional Nikon cameras are known for to be extensively customizable
the NA-RX100VII is compatible with external monitor housings such as the NA-502B-H or NA-Ninja V (HDMI 1
Lenses snap into place
NA-G7XIII Housing for Canon PowerShot G7X Mark III Camera Style:NA-G7XIII Pro Package (inc. flexitray, right handle, two mounting balls, M14 vacuum valve, shutter extension) The recommended port configuration canThe G7X Mark III camera continues to live up to the incredibly high standard set by its predecessor the G7X Mark II. Thanks to its overall image quality, snappy autofocus, excellent manual white balance, and useful built in macro mode, this little camera makes a big impression. This feature set, paired with the most ergonomic, rugged, and easy to use underwater housing available forms a perfect underwater imaging combination. Technical Specifications