I have used negatives up to log 2.9 without "blocking out at one end of the
scale and reversal at the other"
Best Wishes,
Mark Nelson
Precision Digital Negatives--The Book
PDNPrint Forum at Yahoo Groups
www.MarkINelsonPhoto.com
In a message dated 5/2/06 2:35:36 AM, TERRYAKING@aol.com writes:
> A negative of up to a density of 2.2 can be used to make a platinum print
> with dish development in potassium oxalate. More density than that will lead
> to blocking out at one end of the scale and reversal at the other. If one
> has a pressing need to use a negative with a greater density then one could
> make a carbon print from it. But if one is insisting on a platinum print, one
> should make an internegative.
>
Received on 05/02/06-08:21:17 AM Z
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