Re: [photo-3d] Re: Behind the curve

[Michael Kersenbrock <michaelk@xxxxxxxxxxxx>]

From: Michael Kersenbrock <michaelk@xxxxxxxxxxxx>

"Dr. George A. Themelis" wrote:

> From: "Dr. George A. Themelis" <drt-3d@xxxxxxx>
>
> >From: "Don" <don@xxxxxxxxxxxxxx>
>
> >It seemed practical to flatten them before copying them.
>
> I'd say it is necessary to flatten the stereo cards
> before scanning or copying.  If you put a curved
> view in the flatbed scanner you will get a green
> reflection.  The scanning light strikes the scanned
> object at a small angle to the normal to the surface.
> If the card is curved, a portion of it is perpendicular
> to the scanning light, acting as a mirror and resulting
> in this green line.

If this was a problem for your flatbed scanner, did you
try turning the card 90 degrees so the card's curve was
the other way?  Might have gotten rid of the reflections.
I didn't have that problem.

Mike K.



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