Setting White Balance With a Gray Card
Start the video, then click on the lower right corner to get full screen. Click it again to exit full screen.
Learn two ways to automatically set a custom white balance on your camera with a gray card. See links below for items mentioned in this video:
"Lightroom Made Easy"
"Secrets of Successful Event Photography"
DGK Color Card - The inexpensive card I use:
A Fancier Color Card: