RE: colorsync-users digest, Vol 3 #1347 - 4 msgs
RE: colorsync-users digest, Vol 3 #1347 - 4 msgs
- Subject: RE: colorsync-users digest, Vol 3 #1347 - 4 msgs
- From: Harold Boll <email@hidden>
- Date: Mon, 17 May 2004 08:18:26 -0700
From: "Mark Rice" <email@hidden>
To: <email@hidden>
Subject: Print resolution
Date: Sun, 16 May 2004 16:34:36 -0400
>
Scan resolutions use to be determined by the old rule of thumb that the
scan should be > at least twice the line screen - 300 dpi for a 150 line
screen output. That was
>
because we wanted to achieve a resolution that would sustain the grain of
the film.
>
This rule is no longer valid with digital cameras, because there is no
grain. A
>
digital camera will often work very well at 1x line screen(150 dpi for 150
line screen)
Actually sampling at twice the frequency of the signal you're trying to
describe
is a fundamental requirement. Check it out.
http://www.fact-index.com/n/ny/nyquist_frequency.html
Harold Boll
Creo
3 Federal St., Billerica, MA 01821
IMAGINE CREATE BELIEVE "The sunlights differ, but there is only one
darkness." Ursula K. Leguin
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