Re: [photo-3d] Behind the curve

[Michael Kersenbrock <michaelk@xxxxxxxxxxxx>]

From: Michael Kersenbrock <michaelk@xxxxxxxxxxxx>

> Well, at the risk of being email-stoned I will admit that I have
> flattened cards before.
> It seemed practical to flatten them before copying them. I scan my
> homemade
> cards (either drymounted or in Q-Vue mounts) sometimes by just feeding
> them into my
> photosmart s20 scanner. They're flat. So when I wanted to copy vintage
> cards, either
> scanning or photocopying, I flattened them. It makes it real easy to
> get web pairs. So
> when I wanted to copy cards that were curved I.......

I haven't scanned one lately, but if I put one in the flatbed scanner
and gently press on the top of the unit when scanning, the card
is flattened out -- and when releasing the lid, it just pops back
up.  Of course, later I found that even left curved, it still scanned
pretty well (the scanner's tiny lens system must be f/million  or so,
DOF is pretty deep -- which makes sense seeing as how it's lit pretty
brightly to work) although I'd assume there's a tiny bit of theoretical
distortion.  Is the photosmart s20 one of the feeder-types, or is it
a flatbed?

Mike K.

P.S. - Being an engineer, I'd suspect the card's curve is either due to an
          original process problem that was marketed as intentional to
          fix it ("if you can't fix it, feature it"  -old engineering proverb),
          or something like the stacking theory mentioned previously
          (sounds VERY plausible).



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