Video Measuring System is a photoelectric measuring system of high precision and efficiency. It is composed of a series of components, such as CCD color camera of high resolution, continuous zoom lens, color monitor, video crosshairs generator, precise linear scale, multi-functional Digit Readout (DRO), 2D measuring software and high precision worktable. It is mainly applied in 2D measurement, sometimes in 3D as well. It is widely used in different kinds of precision finishing industries, such as electronic part, precision mold, precision tool, spring, screw processing, plastic, rubber, oil seal valve, camera part, pedal cycle part, motor part, conductive rubber and PCB processing. It is a must for the metric room, laboratory or workshop of various sectors concerning to machinery, electronics, gauging instrument, watch, plastic and light industry as well as academies, research institutions and measurement-inspecting department.