Digital Grey Kard Standard White Balance Card Set with Standard Lanyard (Set of Three Cards) from Digital Image Flow brings science to the art of digital color control. The White Balance Card Set is the user-friendly, economical, and indispensable color correction tool that belongs in every photographer's bag. Digital Grey Kard gives you perfect digital color every time.
To use this set of three cards - Black, White and Neutral Grey simply take a picture of the card in the same lighting your subject is (or was) in. Use auto white balance and P (Program) mode for the picture. You can either use the resulting picture as the basis for a custom white balance setting, or you can use the Digital Grey Kard picture during post processing for a custom white balance.
The glossy surface of the Cards will instantly reveal any reflections that may lead to incorrect white balance. If reflections are seen on the cards surface during a white balance operation, reposition the card so that reflections are eliminated.