Camera and image planes

To:	Keyboard Shortcut: (Windows)	Keyboard Shortcut: (Mac OS X)	Action/Results:
Rotate the camera	Alt + left button	Option + left button Command + left button	Press the hotkey then drag in the 3D View while pressing the left button on the mouse/stylus. The camera rotates about its center of interest.
Track the camera	Alt + middle button	Option + middle button Command + middle button	Press the hotkey then drag in the 3D View while pressing the middle button on the mouse/stylus. The camera moves in a sideways motion.
Dolly the camera	Alt + right button	Option + right button Command + right button	Press the hotkey then drag in the 3D View while pressing the right button on the mouse/stylus. The camera moves toward its center of interest. You can also dolly using the scroll wheel if your mouse has this feature.
Roll the camera	Shift + middle button	Shift + middle button	Press the Shift key and then drag in the 3D View while pressing the middle button. The camera rolls about its barrel.
Focus on a location on the model	F	F	Place your cursor over the model and press the F key. The location beneath the cursor becomes the camera's new center of interest.
Frame All	A	A	Repositions the camera so that all visible geometry is within the camera's field of view.
Rotate an image plane	E + left button	E + left button	Press the hotkey then drag in the 3D View while pressing the left button on the mouse/stylus. The image plane rotates about its center of interest.
Track/transform an image plane	E + middle button	E + middle button	Press the hotkey then drag in the 3D View while pressing the middle button on the mouse/stylus. The image plane moves in the direction you drag.
Adjust the depth property for an image plane	E + right button	E + right button	Press the hotkey then drag in the 3D View while pressing the right button on the mouse/stylus. The image plane appears in front of or behind the objects in the 3D View depending on the direction you drag.