Calibrite ColorChecker 3-Step Grayscale

The Calibrite ColourChecker 3-Step Greyscale has been scientifically engineered to provide a precise, uniform surface that reflects equal amounts of light across the colour spectrum. Using the standard black, 18% grey mid tone, and white reference patches, this versatile tool can serve videographers as well as digital and analog shooters to measure lighting in a wide range of conditions.