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Densitometer??
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October 24th 03, 12:31 AM
Gregory W. Blank
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In article ,
Andrew Frith wrote:
however if the pyro
negs are intended to be used for alternative processes (which they often
are) like pt/pd that use a UV light source then you need a densitometer that
can read thru a UV channel.
Can you explain this line of reasoning.
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Gregory W. Blank