Digital BW, The Print

Thanks for the extra info - the place I use always insists on a 225 -ish
file! I'll check if they accept more. What machine are you using?

Julian
----- Original Message -----
From: "Veniamin Kostitsin II" <principe@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Thursday, February 06, 2003 9:45 AM
Subject: Re: [Digital BW] Lambda Laser or Kodak led print


> > The other thing is don't forget that digital printers print at 225 or
240
> > dpi so you have an increase in size straight  away. Also they print RGB
> > files so you need to make sure that you convert to RGB in a way that
> doesn't
> > introduce colour casts. My lambda lab publishes its profiles so if you
> have
> > a profile for your printer you can print through both and check for
colour
> > casts.
> >
> > Julian
>
> the DPI you are giving are not exactly bindin. My printer can (and does)
> output at 400 DPI for critical detail. they also provide on-the-fly
> enlargements, as the machine uses it's own proprietory upsampling which
was
> specifically designed for photographic output.
>
> > > > I have a B&W digital file of a B&W photo scanned at 1600dpi at 2
1/4x
> > > > 2 1/4, then enlarged with genuine fractals. The file ends up being
an
> > > > RGB file and is 10"x10" at 360 dpi. The file size is about 45 megs.
I
> > > > usually print with my 1280 using Piezotone selenium inks and get
> > > > great results. However, now I need a print larger than I can make on
> > > > my 1280. Can I rez up to 20x20 using genuine fractals and get a
print
> > > > of equal quality? Which of the 2 printers, (Lambda laser or Kodak
led
> > > > printer) will give me the best nuetral print that will closely match
> > > > teh prints I'm now making? How many Dpi should I give the lab?
> > > >
> > > > Thanks in advance for your opinions.
> > > >
> > > > Barry Wolf
>
> now to the original question. you say that the scan was 2 1/4 x 2 1/4 @
1600
> dpi. that should give you a file of 3600x3600 pixels without any
> interpolation. if the image quality, detail, sharpness is great inspected
at
> 100% magnification you can easily print this image after interpolation at
> 20x20". try interpolating to 30x30, sharpen moderately, add some gaussian
> noise, resize down, print.
>
> i generally send my files to the lab at 300 dpi, unless i want some
> small-format with rich detail, then it is 400 dpi. as for the choice
between
> durst and kodak - no lab i know would not make you a small test print at
no
> or very moderate fee, so you can judge the output ...
>
> cheers
>
> veniamin kostitsin
>
>
>
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