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Very old new stock film

 
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rlcov



Joined: 18 Feb 2012
Posts: 2
Location: Valdosta,Ga

PostPosted: Sat Feb 18, 2012 7:35 pm    Post subject: Very old new stock film Reply with quote

When I bought my GVII It came with about 100 LBs of sheet film--average date 1945-50-----sealed in boxes never left cool office panatomic royal pan etc---

any experience on what iso you would start with and what developer---I know have a high base fog--but lets move pass that and decide on what combination would give me my best chance at some usable images

i was thinking pyro cat develop by inspection--maybe try an anti fog agent or restrainer and drop the iso to around 50 when exposing it
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45PSS



Joined: 28 Sep 2001
Posts: 3158
Location: Mid Peninsula, Ca.

PostPosted: Sat Feb 18, 2012 9:12 pm    Post subject: Reply with quote

I came across some TriX with an expiration in 1984 in a bulk film loader. After considerable testing with HC110 dilution H it produced usable images at EI 80 at 65F. The fb+f at 68F almost equaled image density.
HC110 dilution H is 1:63 @ double the time for dilution B.
I would start testing at EI 50 but EI 25 or lower may be best.

From the Kodak Professional Photoguide Publication R-28 revised 3-81
Royal-X Pan 4166 ASA 1250
Royal Pan 4141 ASA 400
Panatomic-X/ Panatomic-X Professional ASA 32

The film may be worth more for its antique value in factory sealed box than it is for image quality.
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