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Digital BW, The Print

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Re: [Digital BW] Why so coarse grain?

2003-12-03 by akvarnsudio

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Paul D. 
DeRocco" <pderocco@i...> wrote:
> > From: akvarnsudio [mailto:emilio.gallo@t...]
> >
> > Two days ago I thought myself to be the only one who wanted to 
make
> > nice B&W prints. One workflow I´ve tried is to convert my picture 
to
> > grayscale, adjust it and convert it into bitmap using 
diffusiongitter
> > (don´t know the english term for it) with 1000 dpi (Photoshop). 
The
> > result on screen is very similar to what I want: tiny, tiny dots 
of
> > pure black where the eye hardly can see the grain. The output 
from my
> > printer (Epson 1290) however is very coarse regardless of how the
> > printers resolution is set.
> 
> But you're explicitly doing in Photoshop exactly what the Epson 
driver does
> anyway. When you pile the Epson dithering on top of the PS 
dithering, you're
> winding up with extra grain.
> 
> Let the driver do the dithering. Just convert your image to 
grayscale using
> whatever tools you prefer (e.g., channel mixer, gray proof setup, 
Hue/Sat
> adjustment layer with saturation = 0, etc.) Then, select Black Only 
in the
> driver, and let it make the fine black dots.
> 
> The only reason one would create explicit dithering in PS is if you 
want the
> dots larger, so you can actually see them.
> 
> --
> 
> Ciao,               Paul D. DeRocco
> Paul                mailto:pderocco@i...

Thanksalot

Understand what you say, but it doesn´t work. The printers dithering 
is not the same as the dithering in PS bitmap mode. I want that kind 
of grain and I want to have full control over the dotgain. I want the 
dots visible but just visible. 
Do you know if a RIP would help?

Ciao, Emilio Gallo

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