Quote Originally Posted by Claire Senft
... there is a very good possibilty that both meters are being
influence by IR light. This is a very common anomaly.
He was working in the shade. His near same meter readings for
the black and gray cards I think more likely a character of the
material being metered and a preponderance of blue.

Perhaps Max will update us with other blacks and grays; fabric,
paint, other papers, etc. Dan