The primary images are shifting toward the boundary of the band.
As before, the image in my mind shifted as I moved.
The image shifts south, but the target is only a heat blur.
Remember that if you only glance briefly the images do not shift.
The images on the screen shifted slowly as he scanned all around him.
The image on the main viewer shifted, but not quickly enough.
Now, another half-century on, the image has shifted once again.
For example, if the head is moved, the image of nearby objects shifts more than those further away.
Significantly, though, the image of the American abroad may have shifted.
The image shifted again and now the dark area dominated the center of the screen.