IMPORTANT NOTE: shortcuts mentioned in this video may be different from actual ones.
Please refer to menu Help -> Shortcuts for an up to date list.
If you are using a touch-enabled device, you can control the camera as follows:
Drag 2 fingers: zoom.
Drag 3 fingers: orbit.
Drag 4 fingers: pan.
You can also use common controls with mouse and keyboards as follows:
Mouse wheel: zoom.
Alt + MMB: zoom.
Alt + LMB: orbit.
Alt + RMB: pan.
Finally, you can snap the camera to predefined orientation with 45° steps:
Alt + left arrow: snap left
Alt + right arrow: snap right
Alt + up arrow: snap up
Alt + down arrow: snap down