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08-31-2012, 01:07 AM   #1
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Kodak portra 160 question

has any one any comparative samples or know a location of any comparative samples of how much difference reducing iso from 160 to 100 makes to shadow areas with prortra 160?

09-01-2012, 03:41 PM   #2
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Depending on what characteristic in particular you are looking for, this is my example . . .

09-02-2012, 06:11 AM   #3
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QuoteOriginally posted by LesDMess Quote
Depending on what characteristic in particular you are looking for, this is my example . . .
very interesting, this just caused by altering the iso in the light meter setting is that correct or is it processing time that is causing the differnce?
09-04-2012, 10:50 AM   #4
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It's a ~1/2 a stop. Do worry too much about it. It's not positive film. If you want to round off the ISO, 200 would do fine too.

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