Galaxy S21 Ultra camera access

I’m attempting to access the camera below the torch LED. Accessing the available camera IDs, I observe four total - 0, 1, 2, and 3. It appears that 0 accesses the camera to the left of the one I’m trying to access, 1 and 3 both access the front-facing camera, and 3 accesses the camera above ID 0.

How can one access all 5 cameras? Specifically the one I mentioned.

Maybe that particular camera is not open to third party application via Camera2 API.