Re: (Gum) Tonal scale

From: [email protected]
Date: 11/29/05-11:00:49 PM Z
Message-id: <>

How bout using the term Exposure Scale for the number of steps the process

Mark Nelson

In a message dated 11/29/05 1:23:50 PM, writes:

> Hmm, this  brings out another source of confusion when talking about 
> tonal range....  I thought Yves was talking about density values rather 
> than number of steps. You can get the same number of steps with a 
> light-valued pigment as with a dark-valued pigment, for example, by 
> choosing the pigment concentration and exposure to achieve that result, 
> but the  density range between the darkest and lightest step, and the 
> density of the darkest step,  will be considerably different for the 
> two pigments.
> kt

Mark Nelson
Precision Digital Negatives
Received on Tue Nov 29 23:01:19 2005

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