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Thread: Pyrocat HD - Differences/Effects between 1:1:100 and 2:2:100

  1. #11

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    Dec 2011
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    Re: Pyrocat HD - Differences/Effects between 1:1:100 and 2:2:100

    Quote Originally Posted by Alan9940 View Post
    It varies, of course, by film and development technique, but, for example, for 8x10 Foma 100 I develop with tanks & hangers for 15 mins @21C (1:1:100) for normal silver printing, and for roughly the same time (maybe, 14 mins) at 2:2:100 for pt/pd or silver chloride printing. Agitation is continuous for the first minute followed by 1 "cycle" at the 3/4, 1/2, and 1/4 marks. A "cycle" of agitation is: up/right/down, up/left/down, straight up and when the hanger gets near the top of the tank I drop it to dislodge any bubbles. Since I do all this with IR goggles, I can stop development at any point if the neg looks right; somewhat DBI, but mostly based on time.

    Thanks, very interesting. Yes, film dependent, etc. By 'everything else' I should have said for regular (typically non-silver chloride) enlarging papers. I have some Lodima G2/G3 and with FP4+, for example, at 1:1:100 using times in the 12-14 min range (developed in Unicolor drums on a rotary base) and thinking maybe that's not quite enough. Have done some salt with varied results, but even there that's been mostly in the ballpark, but could benefit from a bump up. Looking to try some alt processes that don't need quite such a dense negative. I've only made contact prints but 1:1:100 works well with variable contrast papers.

    I'd like to be able to try DBI, what IR goggles are you using?

  2. #12

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    Oct 2015
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    1,173

    Re: Pyrocat HD - Differences/Effects between 1:1:100 and 2:2:100

    Quote Originally Posted by Carl J View Post
    I'd like to be able to try DBI, what IR goggles are you using?
    It's from a UK company named Nightfox and mine is the 119V. Unfortunately, I don't think this particular model is made any longer. My primary motivation for selecting this model is that the view is 1x; unlike most (all?) other goggles out there which have some level of magnification. I wanted a more normal view at arm's length and had to wait several months before the company produced this 1x version. If you're interested, you might find one on eBay.

  3. #13

    Join Date
    Dec 2011
    Location
    Massachusetts
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    219

    Re: Pyrocat HD - Differences/Effects between 1:1:100 and 2:2:100

    Quote Originally Posted by Alan9940 View Post
    It's from a UK company named Nightfox and mine is the 119V. Unfortunately, I don't think this particular model is made any longer. My primary motivation for selecting this model is that the view is 1x; unlike most (all?) other goggles out there which have some level of magnification. I wanted a more normal view at arm's length and had to wait several months before the company produced this 1x version. If you're interested, you might find one on eBay.
    Yes, when I searched online some weeks (months) ago I found I wasn't coming up with some of the models discussed extensively on LFF in the past. Admittedly, I didn't look very hard but was also curious if anyone might have any suggestions for current models. I didn't think of trying eBay, good suggestion.

    Thanks

  4. #14

    Join Date
    Oct 2015
    Posts
    1,173

    Re: Pyrocat HD - Differences/Effects between 1:1:100 and 2:2:100

    Quote Originally Posted by Carl J View Post
    Yes, when I searched online some weeks (months) ago I found I wasn't coming up with some of the models discussed extensively on LFF in the past. Admittedly, I didn't look very hard but was also curious if anyone might have any suggestions for current models. I didn't think of trying eBay, good suggestion.

    Thanks
    I've also seen a couple of posts and, I think a YouTube video or two, discussing a DIY type IR thing. You might want to poke around the 'net a bit, if you're interested.

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