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  1. #1

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    Starting times for J&C 100

    I just got my order of j&c pro 100 and was wondering if anyone had worked out any times for this film in pyrocat-hd? Just looking for a starting point so I don't start out way out in left field. I'll be using 120, and processing by inversion. Even though pyrocat has become my primary developer, I also keep a bottle of DD-X around that I ussually use with FP-4 and tend to prefer it over pyrocat for low contrast scenes (it seems to produce nicer mid-tone seperation, to my eye anyway). So I was hoping someone might have tried this combination and might have some thoughts on it, or starting times to share. Thanks very much.

    Peter

  2. #2
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    I've never used pyrocat but JandC web site has developing times as as starting point.

    http://www.jandcphoto.com/index.asp?...on=Custom&ID=2

    The times are for 2:2:100. Is that the common dilution?

  3. #3

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    Quote Originally Posted by eric
    I've never used pyrocat but JandC web site has developing times as as starting point.

    http://www.jandcphoto.com/index.asp?...on=Custom&ID=2

    The times are for 2:2:100. Is that the common dilution?
    That dilution would be for alt process or Azo.

  4. #4

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    I did see the chart with the suggested times, but unfortunately there isn't a time for j&c 100 in pyrocat, it's a blank spot in the chart. I'll have a little while tomarrow to spend in the darkroom, so I'll see how it goes. I'll post the results I come up with. One thing I did notice this morning when I went out and shot a couple test rolls (some exposures of a gray card, and a view out my window), is that the film doesn't seem to wind very tightly on the take up spool. The test roll of fomapan 100 I shot at the same time wound tightly, not sure if this might have anything at all to do with the film or it just happened that I might not have gotten the paper onto the take-up spool well on that partucular roll.

    Peter

  5. #5

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    Quote Originally Posted by pwitkop
    I did see the chart with the suggested times, but unfortunately there isn't a time for j&c 100 in pyrocat, it's a blank spot in the chart.

    Peter
    Assuming the 1:1:100 dilution of Pyrocat-HD with rotary processing at 72 degrees F you might try a time of about 7 minutes for graded silver papers and 10 minutes for VC papers. This should give you that will print ok on a silver graded #2 paper or on VC paper without a filter.

    For tank development add about about 15-20% to the above times.

    Sandy



 

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