Viewer keyboard shortcuts
Try these keystrokes and mouse actions to get the most out of the Photosynth viewing experience.

Zooming and Neighbors
Scroll wheel Scrolling the mouse wheel zooms you in or out. The zooming is centered around your current mouse position.
+ or -    Zoom in or out around the center of the window. ← or → Move left or right to a neighboring photo, when one is available
↑or ↓     Move inwards or outwards to a neighboring photo, when one is available
u or j     Move up or down to a neighboring photo, when one is available

Tours and History
Spacebar             Go to next photo in the spatial tour.
Shift-spacebar   Go to previous photo in the spatial tour.
. (period)             Go to next photo in alphabetical order by filename. (Depending on your camera, this is usually shooting order.)
, (comma)           Go to previous photo in alphabetical order by filename.
Z                            Go to the last image you were on. (Like Back in a Web browser.)
Z Undo z.            (Like Forward in a Web browser.)

Fun with the Point Cloud
Ctrl     Holding the control key down temporarily hides all photos allowing you to see the point cloud in all its glory. Dragging a halo with the control button down lets you spin around the entire point cloud. Try it!
P        Switches among three modes: points, images, both

Useful Shortcuts Enter Center the current image

F        Toggle full-screen
~        Toggle between 2D and 3D
M      Go to the next 3D group in the synth
Y       Toggles world-up verses image-up. This is useful when Photosynth has trouble working out which way is up.

Free Navigation (Only in 3D view)

A       Strafe left
D       Strafe right
W     Move forward
S       Move backward
E       Move up
C      Move down
L      Rotate left
‘       Rotate right
[       Rotate up
;       Rotate down