At 15:17 6/2/01, you wrote:
Very true!! Incidently - does anyone know where I can find information on
reciprocity for Kodak Supra film? I couldn't find any information on the
Kodak site other than it is only a factor in exposures greater than 1
second. I've exposed the 100 film up to 15 seconds with no noticable color
shift - but would still like to have the information!
Jim Caldwell
Jim,
This is interesting as Kodak usually provides reciprocity failure exposure
compensation data. I had to see this for myself. Their "pdf" format data
sheet is here:
http://www.kodak.com/global/en/professional/support/techPubs/e2519/e2519.pdf
In it, under "Adjustments for Long and Short Exposures," it states that ISO
100 and ISO 800 are good from 1/10,000th to 1 second, and ISO 400 is good
from 1/10,000th to 10 seconds. The surprising part is the lack of a
compensation table. Perhaps that's what you were looking for. All Kodak
has to say is: "At longer exposure times, exposure compensation is
required." [DOH!] IMO it's an idiotically obvious statement that leaves
out _how_much_ compensation, especially for a professional film.
-- John
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