[alt-photo] Re: Vandyke exposure amny. w/ NuArc 26-1KS?

[Terry King]

Loris


Perhaps you should have said so.


Even with a digital negative you appear to be saying that the exposure depends on the other variables such as the paper you are using. That is hardly a standard exposure.


Terry








-----Original Message-----
From: Loris Medici <mail at loris.medici.name>
To: 'The alternative photographic processes mailing list' <alt-photo-process-list at lists.altphotolist.org>
Sent: Fri, 16 Jul 2010 6:17
Subject: [alt-photo] Re: Vandyke exposure amny. w/ NuArc 26-1KS?


Irrelevant in the context of digital negatives, since all the negatives have
exactly the same contrast range...

-----Original Message-----
From: alt-photo-process-list-bounces at lists.altphotolist.org On Behalf Of
Terry King
Sent: Friday, July 16, 2010 7:36 AM
To: alt-photo-process-list at lists.altphotolist.org
Subject: [alt-photo] Re: Vandyke exposure amny. w/ NuArc 26-1KS?

Loris
Unless all your subjects have the same contrast range, there is no standard
exposure.

You need to know:
1. the d max potential of the process , i.e. the maximum density negative
that the process will print
2. the d max of your negative for a particular image'

Your exposure will then be 2 in relation to 1

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