Optical comparators are a mainstay of shop-floor measurement, with their rugged construction and large viewing screen. Traditional comparators project images of parts using a combination of the proper illumination, lenses, and mirrors in order to make measurements. Vision measurement systems offer the advantages of full automation and highly functional software, but cannot match a comparator for shop floor toughness. Now, advances in video technology enable us to embed a high resolution video camera into the optics of a traditional comparator.
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