A picture is worth a thousand words. Could it also be worth a thousandth of an inch? Through the technology of "photogrammetry," it is now possible to use a standard digital camera as a coordinate measuring device comparable to a CMM. While photogrammetry itself is not new, its application to industrial measurement has previously required a special camera engineered for this use. Now, Geodetic Systems (Melbourne, Florida) has introduced a less expensive photogrammetry system using an off-the-shelf digital camera from Nikon that is outfitted with a special lens.
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