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tour ×  I was looking up information about monitor calibration
and came across the Spyder 3 Express, Pro, and Elite.  How does
the Spyder 3 work to calibrate your monitor correctly?
share|improve this question add comment  1 Answer  up vote 6
down vote accepted  These hardware calibration devices work by
running a piece of software on the computer that displays a
series of colors and grey levels. By placing the spyder reading
device on the computer monitor, it is able to "see" what the
computer is displaying. By taking a series of measurements, a
profile of the total system including video drivers and monitor
quirks can be assessed. Once this profile is built, it is
usually loaded into the OS so that the monitor then displays
calibrated image colors.  The differences between the product
line usually covers how many monitors c