One of the new features coming with macOS Ventura and iOS 16 is Continuity Camera, which is designed to allow an iPhone to be used as a webcam for a Mac. The feature is enabled in the current betas, but it is designed to be used with special mounts being made by third-party companies like Belkin.
Belkin has designed a MagSafe-enabled Continuity Camera mount that allows an iPhone to be set up in an ideal spot on a Mac to be used as webcam, and while the mount is not yet released, several YouTubers have been able to test it out to give us an idea of how it works.
Brian Tong, iJustine, and ZolloTech have prototype versions of the mount, which is deceptively simple. It attaches to the back of the iPhone and a small plastic lip on the back of the mount rests on top of the MacBook in the ideal position.
Read more at MacRumors.com