Originally Posted by LJH
It's for HP5+.
And it is more than 20%, as you have reciprocity failure on reciprocity failure.
But my point was, it is not an accurate graph, particularly for shorter exposures.
Well ok - lost that in the thread I guess. But no matter, I'd bet (a small amount) of money that one could barely tell the difference visually between 4, 5 and 6 second exposures.
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