Re: Develop promptly

[P3D Greg Erker <erker@xxxxxxxxxxxxxx>]

Here is what the Kodak web site has to say about the subject:

http://www.kodak.com/
http://www.kodak.com/ciHome/products/techInfo/e30Unprocessed.shtml


***** Start of Quote *****

Protect The Latent Image

Once you have exposed your film, paper, or material, it is important
to minimize changes in the latent (unprocessed) image. For consistent
results, process the film, paper, or material promptly after exposure.

This is particularly important with professional color films, because
they are optimized for processing soon after exposure. Storage at a
low temperature after exposure will retard latent-image changes. You
can keep exposed, unprocessed film in a refrigerator for a few days
when necessary. Put the film in a sealed container, and allow the
unopened container to reach room temperature before removing the film
for processing. If you have professional films processed at a distant
processing laboratory, ship them by priority mail or air express
promptly after exposure. Do not deposit film in a metal mailbox where
it may be subjected to high temperatures.

For best results, process paper or material on the same day you expose
it. You should not notice shifts in the latent image with keeping
times from 1 minute to 24 hours. Therefore, you do not need to change
your printing procedures to compensate for latent-image shifts
under normal temperature and handling conditions. For consistent
results, keep the time between exposure and processing the same for
each type of paper or material.

*****End of Quote ******

So the most Kodak will say is that there is no change within 24 hours.
With non-professional films the film to film variation will swamp
the effect of latent image changes unless the latent image is very
old. How old? They won't say.

Greg E.
(Sorry if I quoted too much copyright material)



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