In a message dated 12/17/2004 3:21:22 PM Eastern Standard Time, BobTalbot@xxxxxxxxxxxxxxxxxxx writes: The simplest Auto-WB method would be to look at the highest R, G and B values in the image, stick them together and call them White: if they ain't equal, adjust the ratio till it is ****************************************************************************** ***************** So when I was shooting the star lite up in my front yard during the day the auto white balance was reading the light bulbs which are tungsten. No one it came out funny. I see your point about the need for a grey or white neutral card.