> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Austin Franklin
> Sent: Wednesday, November 08, 2000 9:55 AM
> To: '[EMAIL PROTECTED]'
> Subject: RE: filmscanners: 4000 dpi question
>
>
< snip>
> > 2) They stated that the manner in which their printers create the
> > "matrix" used in their printing process made this number appropriate,
> > and they indicated it had something to do with the 720 dpi true
> > resolution of these printers divided by 3 (I assume based upon a three
> > color system).
>
> Nope, doesn't work that way. If it was 720DPI, and one believed the
> 'matrix' was 3x3, that doesn't not equal to 256 halftone levels....so the
> numbers don't wash... Even a 6x6 isn't close, if you buy 1440DPI.
>
I believe the 2000P uses dot size modulation on top of everything else, so
you don't need anything close to 6X6 dither cell to get 256 gray levels.
Frank Paris
[EMAIL PROTECTED]
Julie, female Galah (3 1/2 years and going strong at the moment)
Little Birdie, male Splendid Parakeet (13 years)
Snowflake, male cockatiel (12 years)
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