Operation Manual
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METHOD 1 - The pull-back
Hold the picture (or move your face) so your nose is touching the picture. Most
people can not possibly focus with something this close to their eyes, and they will
be content with their inability to focus. With the picture up close, pretend that you
are looking straight ahead, right through it. Now slowly pull the picture (or your
face) away while keeping your eyes pointed straight ahead. If you do this slow
enough, an image usually appears when the picture is at the correct distance.
METHOD 2 - The reflection
As mentioned above, with a reflective surface it is sometimes a lot easier to
converge your eyes in the correct position. You simply focus on your nose or some
central reflection in the picture, and wait until you focus on the image.
METHOD 3 - The wall, or the finger
Hold the picture so that it is half between you and a wall. Look over the top of the
picture towards the wall, and focus on something such as a picture hook or mark.
While keeping this "gaze" either slowly lift the picture or lower your eyes while
keeping them converged on the wall.
A similar approach (but for cross-eyed viewing) is to stand arm's length away from
the picture and put your finger on the picture. While slowly pulling your finger
towards your face, keep looking at your finger, you will notice the picture
becoming blurry, and at an intermediate position you will see the 3D image.
METHOD 4 - The see-through
If it is possible, photocopy the picture onto a transparency. Then focus through the
transparency onto something twice as far away. This is similar to the above method
except now you don't need to change the position of your gaze.
You can't see anything, what now ??
If you don't manage to see the amazing pictures hidden inside the autostereograms
immediately, don't let it get you down. Your brain needs time to switch between
'NORMAL' vision to that of stereoscopic vision. Try not to force your eyes when
focusing.
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