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> Minimum quantities of Perceptol stock per film |
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#1
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Minimum quantities of Perceptol stock per film
I’m testing processing hp5 tmax400 and Fomapan 200 4x5 sheets in a jobo rotary with a drum capacity of 270ml with perceptol. Do you know if 100ml stock + 200ml of water would provide sufficient developer chemistry to fully develop this quantity of film?
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#2
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Same answer 1+ 1 and 150mm dev 150ml water.
Don't process Fomapan with Tmax, Fomapan needs approx 25% less development or it gets excessively contrasty. Also shot the Fomapan 200 at 100EI. Ian |
#3
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I know it's not a good idea to contradict Ian Grant on the subject of photo chemistry, but I know from practical usage that you can use a lot less than 150mls of Perceptol stock to develop a film. I get results that I am always very pleased with when I develop 35mm FP4 in Perceptol diluted to 1+3. I do this in a 300ml tank, so the amount of Perceptol stock is 75mls. FP4 comes alive with this treatment.
Alan |
#4
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The 100ml of D76/ID-11, Perceptol, Xtol, etc is on the cautious side, but it depends on what you're shooting. What if there's a film or 4 sheets of snow scenes, or high hey subjects that's not average negatives so you could suffer under development with less. Ian |
#5
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Hi Ian, yes, I see what you mean. For some reason I thought he was developing four sheets...And I will add that my strong preference is to photograph in strong light -hazy sunlight at least. So I am always doing reduced development anyway. So my 75mm of stock isn't too far below your recommended 100mls. and could work in favour of keeping the film's highlight density down. I would do things differently if I was wanting N+ development.
Alan |
#6
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Oh! Why not tmax and foma together? Sent from my iPhone using Tapatalk |
#7
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Ah ok. I’ve found that Ilford state 250ml per film. 4 per pack!! But this is encouraging. Thanks. Sent from my iPhone using Tapatalk |
#8
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Good points. I’m mostly shooting gloomy woodland pics though so it may be ok. Sent from my iPhone using Tapatalk |
#9
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Also a good point. Thanks. Sent from my iPhone using Tapatalk |
#10
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100ml per roll? From the Ilford power film data sheet: Looks like 250ml per film. Sent from my iPhone using Tapatalk |
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