With the view menu, you have different possibilities to
change the size of the viewed stereo image. You can select
from predefined zoom factors or you can select Fill screen
which extends the image to the entire screen.
Additionally you can zoom in and out by 10 percent.
With Fullscreen Stereoscope fills the whole screen which is a very good mode for presentations. By pressing ESC you can exit this mode.
The width of parallel viewed images should not be bigger than 5 cm or 2 inch!