Originally Posted by
Drew Wiley
Consistent light output is tricky with cold lights. A better approach is a "light integrator" which measure the actual amount of light and then adjusts the timing intervals. Zone VI had a device like this specially for cold lights called a Compensating Metronome which had a probe for the light head and adjusted the frequency of audible beeps based upon the light output. Typical light integrators are used in UV printers or "plate burners" instead. Maybe one of those would work too; but you would have to look up the spectral sensitivity of current models.
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