To edit an image in Photos
,
select Options > Edit.
Keyboard shortcuts:
Press1 to rotate left (available when no effects are selected).
Press3 to rotate right (available when no effects are selected).
Press 5 to zoom in.
Press 0 to zoom out.
Press * to switch between full screen and normal screen.
Press2, 4, 6, and 8 to move the image when zooming it.
Select Options and from the following: