target

n. A benchmark used for testing and calibrating optical and reproduction systems. Reformatting, ReformattingA document, added to materials before being imaged, that provides information about the materials.

Notes

Targets1 often contain graphic patterns, such as a series of progressively closer parallel lines, used to test for resolution and astigmatism. A gray scale or color tablet may be used to match the tonal range and colors in the reproduction with the original. - Targets2 often contain information that describe the materials, problems with the originals, missing materials, or the filming process.