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[filmscanners] RE: Scanning for laser printing

If the laser or LED is varied, which it might be, I would think it would be
to get differing degrees of saturation and intensity shades rather than
continuous tones.  These machines require 300 dpi inputs; but they apply all
kinds of porporietary dithering and the like as well as upsampling methods
to the output such that even at very large sizes the dot patterns are
relatively small and unnoticable except on lustre papers where they get

-----Original Message-----
From: filmscanners_owner@halftone.co.uk
[mailto:filmscanners_owner@halftone.co.uk]On Behalf Of Arthur Entlich
Sent: Sunday, March 30, 2003 6:37 AM
To: laurie@advancenet.net
Subject: [filmscanners] Re: Scanning for laser printing

You may be correct about this Laurie.  I'll do some digging and see what
I can come up with.  Certainly, if the dots are small enough, it may be
unnecessary to vary the laser intensity.  It is much cheaper to make a
unit that is binary in nature when it comes to laser beams (on and off).



> Sorry to disagree Art; but I think you may be wrong. the laser or LED
> printers that print to photographic paper are not continuous tone
> They print a halftoned image to photographic paper.  Close inspection will
> reveal a dot pattern.  Now, I am speaking to what they actually do in
> practice and not to what they might be theoretically capable of doing as
> well as to what you get from most labs that have them.

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