A use of intra-deigetic perspective is in American Sniper (2014, Clint Eastwood) where the camera perspective is from the main protagonist looking through the sniper scope.
A use of deigetic perspective is the panoramic shot used in Lord of The Rings (2001, Peter Jackson) In the panoramic shots used to show the landscape.
A use of extra-deigetic perspective is how a character looks straight at the camera to try and involve the veiwer, an example is ‘Wolf of Wall Street’ (2013,