A face or side view ... looking icon is for night scenes. This keeps the camera's shutter open longer so the background will appear brighter. If you're going to use this mode, it's best to have ...

In portrait orientation, the camera lens/zoom buttons are oriented to read in that view. Now in landscape ... and 2, and the icons and text at the top. The most notable way to track this is ...

But with the recent tvOS 15.4 update, Apple has made it easier to view ... live camera feed will pull up in full screen. Now, use the clickpad ring to navigate to the picture-in-picture icon ...