[pure-silver] Re: Split Grade Printing Order Makes a Difference?
- From: RobC <ps@xxxxxxxxxxxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Wed, 15 Apr 2009 22:36:45 +0100
Just to add for clarity, you can do your soft or your hard exposure first when
doing your assessment test strips. The order doesn't matter because you are
making the assessment of how much exposure time each requires from the actual
result. But once you have done that, then the subsequent tests or final print
must be done in the same order or it negates the assesment of those test strips.
You may find the following link helpful.
http://www.lesmcleanphotography.com/articles.php?page=full&article=21
He has a book going into split grade printing in more detail.
There is a book by a UK photographer called "Les Ma
At 15/04/2009 08:27 -0400, you wrote:
>Thanks all for your answers.
>
>What you say Rob makes sense. I'll have to run a test of course... : )
>
>
>E.
>
>On Apr 15, 2009, at 5:37 AM, RobC wrote:
>
>>Infact it does make a difference which order you make the exposures
>>in.
>>Paper has a threshold exposure before it shows anything. If you use
>>two exposures, as in split grade printing, with one at a hard grade
>>and one at a soft grade, then the first exposure is partially used
>>in getting to the the paper threshold. The second exposure is all
>>used for visible print. If you reverse the exposures and do the
>>soft exposure first, then part of that will be used in getting to
>>the threshold and the hard exposure is all visible print. With a
>>short soft exposure that can make a big difference in the result of
>>the print. So you should always do your split grade print in the
>>same order as your test strips for it.
>>
>>RobC
>>
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