Gray Scale and Value Finder

Grey Scale Card allows for accurate reading of value and also provides ample area for testing colours samples. Card size 102mm x 52mm.

In painting and drawing a vaue scale is used to determine relationships between light and dark.

In photography, a grey scale is a card bearing a set of neutral grey patches arranged in increasing equal steps of reflection density from white to black, representing equal visual steps of grey.

The Grey Scale main use is to match the density scale and colour balance of a transparency or print, for which purpose it is usually included at the edge of the photographed scene, or shot separately at both ends of the film.