When viewed side-by- side, the difference in perspective between the images captured by each of the video cameras becomes apparent. (Note the shift in relative position between the foreground birdhouse and the background window.) The SVS circuitry color-codes and merges the images.

When the resulting anaglyphs are viewed through red-and-cyan glasses, the left eye sees one image while the right eye sees the other, and the brain interprets the disparity as depth of field.