I don't see actual resolution listed, but it is described as a 12.1MP ultrawide. Is it maybe "so wide" that it doesn't have 2160 vertical pixels to actually pull out a 4K frame from it? I wouldn't ...
To shoot video seriously you'll want a great external camera screen for more effective viewing and monitoring. The post Best external camera screens and camera monitors: to improve your videos ...
A USB-C monitor is a good way to minimize the cables needed for your setup. And if that setup is for work, where webcams have become virtually mandatory, a monitor with an integrated camera lets you ...