Yahoo Groups archive

Digital BW, The Print

Index last updated: 2026-04-28 22:56 UTC

Message

Re: [Digital BW] How long to wait for densitometry

2005-02-27 by Francis Ford

Thank you, thats very good to know.Francis Ford
--- "Stephen P. Veillette" <stephen@...>
wrote:

> 
> I'll have to say no.  The change is in the values
> I'm getting from the densitometer.  They 
> are technically within the margin of error for the
> intstrument, but the difference has made 
> me change my values for ink limit and relative
> density.
> 
> Perhaps I'm being too critical of the numbers?  I'm
> aiming for an ideal curve, but if density 
> is too much of a moving target during the first x
> hours of a print, then it would seem that 
> realizing the ideal would be difficult.
> 
> -Steve
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com,
> Francis Ford 
> <francisford45@y...> wrote:
> > Could you see this lighter shift  to the naked
> eye?
> > --- "Stephen P. Veillette" <stephen@v...>
> > wrote:
> > 
> > > 
> > > I'm in the process of creating curves in QTR for
> MIS
> > > UT-FSN, and I wait at least an hour for 
> > > the test patterns to dry/settle before
> performing
> > > densitometry on them, but I've noticed 
> > > that a day later, the densities have changed
> > > slightly (lighter).
> > > 
> > > My question, then, is how long should one
> ideally
> > > wait before performing densitometry to 
> > > create a QTR curve?
> > > 
> > > -Steve
> 
> 
> 
> 


		
__________________________________ 
Do you Yahoo!? 
Yahoo! Mail - 250MB free storage. Do more. Manage less. 
http://info.mail.yahoo.com/mail_250

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.