Moving a camera changes the angle you are viewing from in a 3D camera view. You can change the position of a camera by turning your cameras on, then moving the camera in 2D plan view. When you switch back to 3D view, the view will be changed accordingly.
To change your viewpoint for a 3D camera view:
Make sure you are in 2D plan view.
Turn your cameras on. How to
By default, the camera for the 3D Perspective view is located to the left of the model. The camera for the 3D Overview is located towards the right side of the model. Click on the camera you want to move.
Hover your pointer over the camera’s
blue grab handle to display the Move cursor. Or, right-click in the drawing
area and select Move Camera.
Click and drag the camera to move it where you want it.