Determination of the right exposure when photographing and later-on in the lab take a lot of time and material. Furthermore it is difficult to evaluate the color or filter correction when making enlargements in the digital photography. Most of the time the color of the print varies to the color you see in the monitor. Do you also know these problems, then the DIN A 5 neutral grey card is the right tool for you! This grey card is an indispensable tool during shootings and in the lab for the professional photographer as well as for the amateur. specifications: - reflexion 17.68 R% - neutral density 0.75 (ND) log D. - contrast 1: 32 K - aperture: 5 f / t - format: DIN A5 - size: 148x210 mm - material: Polystyrol, white - strength: 1 mm - light fastness: 7-8 blue scale - washable - for KB-cameras