The answer is: Mekel 460XL Microfiche scanner

From: Tothwolf <tothwolf_at_concentric.net>
Date: Wed May 8 20:37:54 2002

On Wed, 8 May 2002, Fred Cisin (XenoSoft) wrote:

> > Google says $85K in 1996, very well-reviewed?
> > Up to 400 dpi, 2,000 frames/hour? Yee-haw!
>
> 400 dpi does not sound at all adequate. If we were to assume that the
> microfiche were to be 1/10 (linear) the size of original paper (.85" x
> 1.1"), then we would want 10 times the resolution (linear) per inch
> that we would want for original paper. Therefore, if the microfiche
> were to be 1/10 (linear) the size of paper (approx 1" square per
> frame), then that would be like scanning pieces of paper at 40 dpi.
> Anybody know offhand what the conventional sizes are for microfiche?
> (it's certainly less than 1" for the height of a frame!)

My guess is that the 400 dpi resolution is after enlargement. According to
the first Google hit, the 460XL supports 20:1 and 24:1.

Does 400 dpi seem adequate for most printed matter?

-Toth
Received on Wed May 08 2002 - 20:37:54 BST