I am currently using an iPhone XS as a webcam on my MBP. It's so great.
The rear cameras of the Xs is like 10x better than the Cinema Displays webcam, the iPhone 13 Pro Max front camera.
This is the iPhone 13 Pro Max front camera:
This is the Xs rear camera when used as a webcam:
Both cameras mounted on top a 27" Dell display, 2 inches apart, 30 seconds apart with same lightning etc.
The rear cameras of the Xs is like 10x better than the Cinema Displays webcam, the iPhone 13 Pro Max front camera.
This is the iPhone 13 Pro Max front camera:
This is the Xs rear camera when used as a webcam:
Both cameras mounted on top a 27" Dell display, 2 inches apart, 30 seconds apart with same lightning etc.