The light arrives at your eye containing both an image of a wall when focusing at 3m and an image of a TV show when focusing at 20m.
Such a light field is not distinguishable from the light field that would occur if the wall actually were translucent and actually did have a TV show playing on a screen behind it
- were translucent, and
- had a screen behind it
The light arrives at your eye containing both an image of a wall when focusing at 3m and an image of a TV show when focusing at 20m.
Such a light field is not distinguishable from the light field that would occur if the wall actually were translucent and actually did have a TV show playing on a screen behind it