[pure-silver] Polycontrast Paper Performance / Cold lite

Listers,
Some time back I asked about PC papers today and their use with Cold lite 
lamps. My interest stems from a need to get very long scale (such as Grade 0 - 
1) paper, which isn't readily availalble. 

I tried  Forte Polygrade V with my D2 equipped with a standard W45 (non VC) 
cold lite head. Using my old Beseler VC filters and a relatively soft developer 
(Ansco 130M), I only get a difference of about 1/2 stop scale between the #1 
filter and the #4 filter. The filters are very old (>30 years) but are in 
excellent shape (but I don't know how much color change has occurred... they 
"look" right). 

I see a post on APUG that recommends the use of a #40CCY correction filter to 
enable use of the cold lite with VC papers and filters. 

I'm posting this for two reasons... first to report my results and second, to 
ask if VC filters have changed significantly over the past couple decades and 
this warrants buying newer ones, and third, what do you think of the 
requirement for a #40 CCY color correction for the non-VC cold lite lamp? Is 
this the required correction for all cold lamps and all VC papers?

J.R. Stewart 

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