I live in the tropics sometimes. It's tropical in summer here. I think I processed that film in the winter, though, when it wasn't all that hot in Houston. I always use developer at 70 degrees or so, but I don't always check the temperature of the stop.
Maybe I should.
--shannon
On Feb 20, 2009, at 4:33 PM, BOB KISS wrote:
<x-tad-bigger>DEAR SHANNON,</x-tad-bigger>
<x-tad-bigger> I live in the tropics and always cool my film processing chems down to 68 – 70 ° F when I use a stop bath. One of my students insisted that he could use D-76, stop and fix at room temp, 85 ° F, simply by reducing the dev time. He got the contrast right but had many pinholes. Is this a temperature issue for you?</x-tad-bigger>
<x-tad-bigger> CHEERS!</x-tad-bigger>
<x-tad-bigger> BOB</x-tad-bigger>
<x-tad-bigger> </x-tad-bigger>
<x-tad-bigger>From:</x-tad-bigger><x-tad-bigger> pure-silver-bounce@xxxxxxxxxxxxx [mailto:pure-silver-bounce@xxxxxxxxxxxxx] </x-tad-bigger><x-tad-bigger>On Behalf Of </x-tad-bigger><x-tad-bigger>mark@xxxxxxxxxxxxxxxxxx</x-tad-bigger>
<x-tad-bigger>Sent:</x-tad-bigger><x-tad-bigger> Friday, February 20, 2009 6:15 PM</x-tad-bigger>
<x-tad-bigger>To:</x-tad-bigger><x-tad-bigger> pure-silver@xxxxxxxxxxxxx</x-tad-bigger>
<x-tad-bigger>Subject:</x-tad-bigger><x-tad-bigger> [pure-silver] Re: what causes pinholes in emulsion?</x-tad-bigger>
<x-tad-bigger>If the acid stop bath is too strong Shannon it can cause that. Now for a suggestion put the film under the highest power loupe you might have and look really close. Is it actually a hole or has some of the emulsion just come off and nothing really penetrated the base of the film. Once in a while a tiny piece of the emulsion will come off leaving the appearance of a pinhole on paper.</x-tad-bigger>
<x-tad-bigger> How were the negatives stored? Did they slide out of the sleeves easily? Storage conditions could have had an impact, but being over a year ago from when they were processed it will likely be difficult to really pinpoint a cause. If they were processed at the same time and made by two different manufacturers, you likely have eliminated the possibility of a manufacturers defect.</x-tad-bigger>
<x-tad-bigger>-------- Original Message --------</x-tad-bigger>
<x-tad-bigger> Subject: [pure-silver] what causes pinholes in emulsion?</x-tad-bigger>
<x-tad-bigger> From: Shannon Stoney <shannonstoney@xxxxxxxxxxxxxxx></x-tad-bigger>
<x-tad-bigger> Date: Fri, February 20, 2009 12:32 pm</x-tad-bigger>
<x-tad-bigger> To: pure-silver@xxxxxxxxxxxxx</x-tad-bigger>
<x-tad-bigger> I am printing some film that I shot over a year ago, and there are </x-tad-bigger>
<x-tad-bigger> lots of pinholes in the emulsion. At first I thought it was the brand </x-tad-bigger>
<x-tad-bigger> of film, and one roll did seem worse than the others: the Bergger </x-tad-bigger>
<x-tad-bigger> roll. But the problem is on the FP4+ negatives too. Maybe it was </x-tad-bigger>
<x-tad-bigger> something in my processing that day? I seem to remember that if the</x-tad-bigger>
<x-tad-bigger> temperature difference between the developer and stop is too much, like </x-tad-bigger>
<x-tad-bigger> if the developer is warm and the stop is really cold, it can happen. </x-tad-bigger>
<x-tad-bigger> Is that right?</x-tad-bigger>
<x-tad-bigger> --shannon</x-tad-bigger>
<x-tad-bigger> =============================================================================================================</x-tad-bigger>
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