Re: Opacity of digital negative substrates, was Re: Gum a la Sam Wang

From: Sandy King ^lt;sanking@clemson.edu>
Date: 11/23/03-11:04:56 AM Z
Message-id: <a05210615bbe698a7b5f6@[192.168.1.101]>

Ed,

I don't use the 361T. I have a Gretag D-200 and the reading is at 373
nanometers. In practice my readings with this instrument have proven
to be extremely reliable indicators of real negative printing
density.,

Sandy

>Sandy:
> If I remember correctly, the 361T densitometer in UV mode does not read
>deep into the UV, and misses the 360-380 nm range entirely. UV is not UV,
>and the readings of some instruments have to be taken with a bit of silver
>salt. Best - Ed Stander
Received on Sun Nov 23 11:05:13 2003

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