Re: Black and White Profiles
Re: Black and White Profiles
- Subject: Re: Black and White Profiles
- From: Jim Rich <email@hidden>
- Date: Wed, 06 Dec 2006 13:15:32 -0500
- Thread-topic: Black and White Profiles
Edmund,
Actually, I have described this procedure numerous times on this list and of
course in a few books.
You need a densitometer to measure dot area.
In the Photoshop Color Settings Custom Dot Gain Grayscale dialog box there
are 13 dot area steps.
You create a target with those halftone dot values and print them.
Then you measure the print.
Place the values that were derived from the print in that dialog box.
You will want to take multiple measurement and do some averaging, then some
prints to verify the results.
That's the basic idea to create a custom grayscale profile.
Jim Rich
On 12/6/06 11:41 AM, "edmund ronald" <email@hidden> wrote:
> Maybe someone should bounce this question to Adobe - I thought there
> would be a tool for integrating sensitometric readings into PS, and
> that transfer curves were that - or else how did printers do it in the
> olden days ?
>
> Edmund
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