Quartz scanners operate by illuminating an object with a sequence of SmartFringe patterns, and measuring that sequence with a camera. There must be an angle between the camera and projector; and both must be able to "see" the object being measured. This defines the limits of our measurement volume. This is often described as a cube, centred at the "Standoff Distance" in front of the scanner.
A Quartz scanner is built with a basic set of options – cameras and lenses – which define the range of measurement volumes it can support. The scanner is then configured to operate at a single standoff distance, which defines the measurement volume.
When a scanner is supplied, Phase Vision will configure it for a single measurement volume; however the scanner can be reconfigured for an alternative volume by a trained user.
The range of standoff distances each lens configuration supports is detailed in the specifications section. Outside these ranges, accessory lenses may be fitted by Phase Vision service engineers.
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