Quote:
Originally Posted by Penthode
I try to clolor balance the black and white image against a black and white television of the era. If you had a colorimeter you could do it more accurately but in those days, especially with color drift as the set warms, I find eyeballing it against a P4 phosphor television is the best you can do.
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I do have a colorimeter, but I usually balance by eye against natural light coming in the window. I haven't tried measuring the CTC-5 for a long time, but using my DSLR as a rough colorimeter, it measures somewhere around 7700 to 8000 Kelvin as set by eye. I think many/most P4 tubes from the early/mid 50s onward were far too blue as a color set reference. I seem to recall GE boasting how blue their P4 tubes were.