The 18 0rey is not arbitrary. It is right in the middle of what the film
can capture, up 2.5 stops from the darkest shadow, down 2.5 stops from the
brightest hilite.
tOM
--------------- http://groups.yahoo.com/group/Olympus-Documentation
tOM Trottier, ICQ:57647974 http://abacurial.com
758 Albert St, Ottawa ON Canada K1R 7V8
+1 613 860-6633 fax:231-6115 N45.412 W75.714
"The moment one gives close attention to anything,
even a blade of grass, it becomes a mysterious,
awesome, indescribably magnificent world in itself --
Henry Miller, 1891-1980
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