Kodak® Neutral Test Card
[Eastman Kodak Co, NY] A brand name for a grayscale card that may be purchased in photographic supply shops. Grayscale cards are an achromatic color scale that commonly has ten equal gradations ranging from black to white. The card is used in photographic processing, computer graphics and television to obtain a meter readings for an average exposure.
Synonyms and Related Terms
grayscale card; gray scale card