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More IP information please

I'm surprised that the general comment received about grading feature films
from an IP indicates that around 15 hours is all that is needed to do a
proper job using this film format.

IPs I've seen have shading errors (or the equivalent laboratory term) and
seem to react in a very sensitive manner on a quality grading panel. These
are not always from IPs produced locally, but also from major laboratories
in the USA. Is the difficulty with the base it is processed on or is there
more to it? Why do some US distributors insist on grading from an IP when
(from what I've experienced) it is not a good format for telecine.

To successfully produce a well balanced master from telecine takes
significant care and a lot more than 10 - 15 hours. Running time alone takes
several hours, so what care are you taking?


Thanks to Rich Torpey for support in 1999
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