Stereo Optical Illusions (Supervisions) Paperback – 1 Apr 2006
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The Anaglyphs (2 two of the book's 5 sections) are ruined by the choice of 3D glasses that came with the book. The anaglyphs produce a good depth effect, but with the glasses provided there is a tremendous amount of ghosting - the image of blue lines is clearly visible to the right eye where they should be blocked. Using a pair of Red-Cyan glasses that I had from another 3D book, they work properly.
The Stereo Pairs (2 sections) have such a large separation between the images that they cannot be fused into a stereo image by free viewing, and no accessory viewer is provided. The pairs are separated by almost 4". The average human eye separation is about 2.5". I could not fuse them, and I truly doubt that any human could. They are also too large and too separated to cut out (or copy, if you hate destroying books as much as I do) and view them in an old-time Stereoscope.
I gave the book 2 stars instead of 1, because the Stereograms and "Wallpaper Illusions" (two of the books 5 sections) work nicely, and the idea of combining Anaglyphs with stereograms, and anaglyphs with impossible figures, in the same picture is very cute - I've never seen it before.
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