Quote:
Originally Posted by Kunama
the relationship changes somewhat due to 'reciprocity failure' with long exposure times but essentially that is correct.
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Reciprocity Failure is a non sequitur statement regarding modern electronic photography, as electronic "film" dumps the photons when the wells get "full", allowing more photons to be captured without reaching the a limit (i.e. failure). Divergence (non-linear behavior) from the well capacity of CCD's I guess could be seen as a type of RF (though I would argue otherwise).
In the old days (yes, I'm getting old), Rep Fail was a serious limitation. We overcame some of it via hypering films and cooling (I lived in Colorado, so winter time was good for shooting).
Not many of us old hypering types around... I guess the grim reaper eventually will cull us out of the general population...
OIC!