So... I've just bought 10 Fomapan 200 films. I've deleloped two. The first one I shot at EI200 but I think I used too cold water. The second one I shot at EI160. I used HC110 with dilution 1:63 for 9mins. Agiated during the first 30 secs and then for 10 secs every minute. The first one lacked a lot of shadow detail (unusable), the second one lacked contrast and was grainy.
Should I expose it at EI100, use another dilution / time? Dont use HC110 at all? I am far from impressed... I am comparing the Fomapan 200 to HP5+ and FP4+ which I use regulary - I get waaaay better results with those films.
Sure, you have a point, but I and many others find this film works best when given a bite more exposure than box speed suggests with most developers. Something like EI125. It may hit 200 or thereabouts in xtol/fomadon excel, but likely not in hc110.See, I really don't think the film is at fault here
Sure, you have a point, but I and many others find this film works best when given a bite more exposure than box speed suggests with most developers.
Otherwise it's a fine film, except for 120 format which seems to consistently suffer form emulsion defects.
Yes, it is. I correspondent about it with Foma, sent them samples, and they indicated it was a manufacturing defect. I also tried several camera systems to verify it wasn't specific to a particular system. They're not the little cracks that sometimes occur with Foma 100 in e.g. Hasselblad bodies. More like little particulate inclusions. I know about the camera-dependent issue; a friend of mine had it, corresponded with Foma about, I saw the examples etc. It's a different issue.It's not really a emulsion defects. The emulsion is very soft so it's not suitable for use in all cameras.
No need to discuss endlessly. Foma has published a fairly detailed datasheet for this film. The film only hits 200 with certain developers and only at a fairly high gamma (i.e. long development). For a gamma of 0.65 or thereabouts it doesn't do 200, although it gets close at around 160 depending on the developer used. Rodinal isn't listed, but won't do much better in this respect than Xtol (in fact, quite the opposite).these endless discussions on the 'real EI' of a film make relatively little sense imho.
It's for most purposes not much of an issue under optimal conditions. You pointed out that OP wasn't working under optimal conditions. Any lack of sensitivity of the film can only be made worse, not better, by such conditions. Pointing out that a film struggles to achieve its advertised speed is a reasonable remark to make, in my opinion. Especially if it can contribute to someone's disappointment, in addition to other factors. I'm not at all sure that F200 will even do 160 in HC110. Likely a bit less. Would 125 still be 'negligible'? If 160 is virtually the same as 200, will 125 be still more or less the same? Or 100? Or 64? Where do you draw the line?The difference will be neglectable in practice though unless one operates in tightly controlled lab settings.
Yes, it is. I correspondent about it with Foma, sent them samples, and they indicated it was a manufacturing defect. I also tried several camera systems to verify it wasn't specific to a particular system. They're not the little cracks that sometimes occur with Foma 100 in e.g. Hasselblad bodies. More like little particulate inclusions. I know about the camera-dependent issue; a friend of mine had it, corresponded with Foma about, I saw the examples etc. It's a different issue.
I've never even tried it in 120 rolls; nor do I intend to do so.
TMax films are far more reliable, hold better detail, are way more flexible in terms of development contrast options. That applies whether roll film or large sheet film.
I personally stopped using TMAX 400 in medium format altogether when I started getting bad batches whereby the characters printed on the backing paper kept appearing on the negative. Terrible stuff for a film that goes for £8/roll. Nowadays, Ilford FP4+, Rollei RPX and Foma pretty much give me all I need, though I have to keep three separate developing pipelines to get the best (for my taste) out of the three brands.
All the manufacturers have had issues with backing paper faults - the Kodak one was particularly troublesome as it was intermittent, making repeating the fault challenging. It seems to have been solved for several years now. Ilford have had intermittent issues recently too - mainly with slower moving products, and at very low occurrence. If people didn't need back printed numbers on 120, the problem would largely cease.
I pity anyone who doesn't know how to use a real light meter.
So let's recap:
1. You have developed, in total, 2 rolls of Fomapan 200
2. You had never tried this film before, and you had never tried this film+developer combo before
3. You used a developer which, however common in combination with other brands of films, does not appear in the list of recommended developers for Foma 200 provided by the manufacturer here https://www.foma.cz/en/fomapan-200
2. For at least one of the two rolls, you messed up the development by not being consistent with temperature
4. For another roll, you decided not to stick with the manufacturer's recommended initial ISO rating and went for an arbitrary 160IE
You then go on to compare your results, obtained as above, to the results you get following established practice with your favourite -regular- film/developer combo.
See, I really don't think the film is at fault here
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