you use the RMB to interactively alter a Camera View. try the following:

hold down the RMB while dragging the mouse to pan and tilt the Camera.
hold down either Control-Key and the RMB while dragging the mouse to bank the Camera.
hold down either Shift-Key and the RMB while dragging the mouse to translate the Camera along the two axes that AREN’T Active.
hold down either Shift-Key, either Control-Key, and the RMB while dragging the mouse to translate the Camera along the Active Axis ONLY.
hold down the Left Mouse Button (LMB) and the RMB simultaneously while dragging the mouse to change the focal length (zoom) of the Camera.

as a special shortcut, you can open a camera's interface by double-clicking the LMB in that camera's view.