In most movies, shows, video games, etc., the camera is assumed to not be actually present; one might say it exists outside the Fourth Wall.
An In-Universe Camera, as the name suggests, is actually present in the "world" of the story: Characters may notice and talk to it, it may get bumped or shaken by the environment, and may even be seen in a reflection. This frequently makes it a target for [...] [tvtropes.org]