P3D Two color Land photo

[Tom Deering <tmd@xxxxxxxxxxx>]

Two people have sent me copies of the mythical Land photo, which purports
to be proof that two colors can produce the entire spectrum of colors.  I
want to say I'm grateful to these people, but the photo is a fake.

Or rather, let's call it an illustration, not a photograph.  In other
words, this is the work of a graphic artist or retoucher, not a camera.  If
you blow this up, you can see the lower "projected" image is just a copy of
the top image.  After all, if the lower image is what the depicted camera
saw, it should have a different perspective.  But it doesn't.

Also, if the color image was really projected from the side like that, it
would be keystoning pretty badly, but it's not at all.  This is an
illustration, not a photograph.  Same as the May 1998 cover is a real
looking illustration, not a photo.  And they didn't mention that fact
anywhere in the magazine.

I don't know what kind of retinal exaustion/persistence of vision thing is
happening, nor do I know if the process made a full spectrum, or a duotone.
But I do know this photo was retouched.

See for yourself.  A copy is at http://www.deering.org/land.gif

Tom



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