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john smithson · 08-08-2005, 07:42 PM

Thanks for the help.

I have some gray cards in a photography book.Not sure if that is the same?

What kind of light should be shining "on the gray cards" when adjusting tv?

08-08-2005, 07:42 PM	#4 of 6
john smithson Member Join Date: Dec 2002 Local Time: 07:29 PM Local Date: 11-22-2008 Posts: 51	Thanks for the help. I have some gray cards in a photography book.Not sure if that is the same? What kind of light should be shining "on the gray cards" when adjusting tv?