Hi Guillermo,
> Also, something called "intermitance" states that although mathematically 80
> f/22 flash pops are equal to 1 single BIG flash pop of f/197, in reality,
> the effect of 80 f/22 pops is less than 1 BIG f/197 pop. Sort of like a
> "reciprocity failure for flashes". Some more extra flash pops should be
> added to compensate for that "intermitance" effect.
Same happens in the darkroom, a test stripe with 5 x 2 sec test results in
different densities than a 10 sec exposure on photo paper.
I never considered it for flash pops, though. Maybe because of bracketing the
exposures.
I will have it in mind next time.
Thanks for pointing it out.
Joao
Received on Fri Dec 7 06:08:38 2001
This archive was generated by hypermail 2.1.8 : Mon 13 Dec 2004 - 23:33:31 PST