Kevin O'Brien (kob@paradise.net.nz)
Tue, 09 Mar 1999 20:56:18 +1300
Liam,
The current Kodak data gives exposure within 1/3 stop for 1/000sec -100sec
for various lith films without any change in contrast. These are graphics
films and APH is probably similar as both short and long exposures are
common in the industry.
Kevin O'Brien
>Film data sheets, as far as I remember, give it as a function of time only,
>but maybe that's just to keep things simple. Does the relation of tones to
>each other change as reciprocity occurs, or does everything just get
>lighter? Any info will be welcome, particularly if it's what I want to
>hear! (But it also has to be true!)
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