On 17/03/2012 5:40 AM, Paul Stenquist wrote:
Funny. Actually, with film it was usually more appropriate to expose for the
highlights and process for
the shadows. Although that too is an oversimplification of the zone
system.
The Ansel method of exposing for the shadows and developing for the
highlights has always been the only development control possible, as
altering development time had little or no effect on anything Zone 3 or
under.
Fred Picker's method, which I came to adopt (and adapted to my own
methodology) after learning the Zone System was to start at the print
and work back to the negative, since paper had less overall flexibility
than film. With the Picker method, once one had settled on an effective
ISO and standard development time, one would expose for the highlights
and let the shadows fall where they would. This was a perfectly
acceptable method, presuming that the scene was more or less of an
average tonal range (5 to 7 stops). Since most scenes fall into that
range, it works very well (this is also why slide film with it's
notoriously short tonal range works).
--
William Robb
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