[pure-silver] Re: Shoulder and highlight
- From: DarkroomMagic <info@xxxxxxxxxxxxxxxx>
- To: PureSilverNew <pure-silver@xxxxxxxxxxxxx>
- Date: Sat, 01 Jan 2005 03:34:51 +0100
I think your assumptions are reasonable, but I don't see how this explains
that the mid-tone characteristics of a film are related to its highlight
characteristics...
> due to a fundamental principle of calculus of continuous functions
Where did you get that from?
As far as I understand, films are often coated with different emulsions to
'model' toe, mid-tone and highlight behavior individually, which would also
explains the 'hump' in some films and developers.
Maybe, I misunderstood what you meant?
Regards
Ralph W. Lambrecht
On 1/1/05 2:09 AM, "Ryuji Suzuki" <rs@xxxxxxxxxxxxxxx> wrote:
> I'm talking about the case where paper and
> average gradient are fixed. I'm also assuming sensitometry of both
> film and paper are monotone non-decreasing functions. These are all
> reasonable assumptions.
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