I'm not an expert on darkroom technique by any stretch of the
imagination, but I'm pretty sure it means that the contrast in the
various layers of the film emulsion aren't analogous to each other. In
this case he's saying that the blue layer may not be exposed properly
unless you slightly overexpose and that trying to make a print where
the contrast of one layer doesn't match the others will produce
unwelcome artifacts.
Or I could be completely off-base, like with that whole, "Aren't you on
mainland China?" thread a few days ago. ;-)
-Rob
On Sunday, December 1, 2002, at 08:17 PM, Marc Lawrence wrote:
Sorry for asking a generic photography question, but, what do
you mean when you say "crossed curves"? Also, is this a good
general practice for such negative films, regardless of light
conditions (for instance, shooting daylight sports with 400 to get
a fast shutter speed on a slow and better-shut-down lens)?
Cheers
Marc
Sydney, Oz
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