Just Developed My 1st FomaPan 100

Discussion in 'Talk About Different Analog Films' started by Ian-Barber, Aug 27, 2016.

  1. Ian-Barber

    Ian-Barber Administrator Staff Member

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    Thought I would try some of this Fomapan 100 mainly because its in-expensive and you get 50 sheets.

    The box is only a single box unlike the Ilford which is double. The thing that struck me the most was just how thin the film actually felt when I removed it from the black bag.

    Setup a quick still life and took an incident meter reading which gave me 1 second @ f32.

    Ive just developed it in HC110 for 10 minutes at 1:63 dilution. The negative is hanging to dry, first thoughts are "it looks very thin".

    This could be down to the lighting conditions I used I guess but we will have to wait and see when its dry.
     
  2. Bill Martindale

    Bill Martindale Member

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    Fomapan 100 is notorious for its reciprocity characteristics and requires more correction than other films. From the chart I found online a 1 second metered exposure needs 2 seconds actual so you may be underexposed.
     
  3. Ian-Barber

    Ian-Barber Administrator Staff Member

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    Having looked at my first negative, your statement at a guess is spot on.

    I wanted the burlap material the objects were sat on to fall into Zone III so this is where I based my exposure. Taking into account the minus 2 stops from what the meter indicated, the exposure at f/32 was 1 second so this is what I used.

    Another one for the trash :(

    fomopan.jpg

    Notice the notorious scratches have also returned.
     
  4. Keith Haithwaite

    Keith Haithwaite Active Member

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    By the looks of this negative it has not been loaded in to the holder correctly Ian. Notice the really wide margin on the notched end and the lack of a margin on the opposite end -the film hasn't been pushed fully into the holder and thus lain flat so the end flap covers more of the film and the dark slide will scrape over the end of the film. The shot below shows what I mean on one of my holders.

    Loading.jpg

    and before you ask, yes, the dark slide can still be pushed into place!
     
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  5. Bill Martindale

    Bill Martindale Member

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    Good information Keith. That could that be part of the scratching problem with the dark slide rubbing on the film.
    If that were so the scratches would be on the emulsion side. Can you confirm that Ian?
     
  6. Ian-Barber

    Ian-Barber Administrator Staff Member

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    I think Keith might be right here.

    It'd hard to tell which side the scratches are but under close examination with a loupe, I would say the emulsion side
     
  7. Ian-Barber

    Ian-Barber Administrator Staff Member

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    Right, after Keith's comment, I took my time a little more this time loading 2 sheets into holder.

    They are hanging to dry and so far they look scratch free. This time I did not put the notch under the trap door if that makes any difference
     
  8. martin henson

    martin henson Administrator Staff Member

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    They are not loaded right as we can see however you need to check the first scratched ones which from memory were correctly inserted into the darkslide.


    The scratches came a lot further down on the negative on the abbey picture in a random pattern, loading incorrectly as per Keith's photo would not do that. I dont think the way Ian has loaded it has anything to do with the marks, the scratches are not straight as you would expect from the dark slide.


    I think its the emulsion side and its caused trying to get them out of the darkslide, you need a decent nail or two to do it first

    time ;)
     
    Last edited: Aug 28, 2016
  9. Keith Haithwaite

    Keith Haithwaite Active Member

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    You are right Martin, unlike this one the original scratched neg had random marks over most of it and as Ian said he has er, very short fingernails - i.e. none - so where they came from I can't imagine.

    Late edit: I've just looked back at the first scratched neg and I see the two end margins are very uneven there too, it didn't cause the random scratches but might be indicative of an underlying problem with getting the neg into the holder.
     
    Last edited: Aug 28, 2016
  10. Bill Martindale

    Bill Martindale Member

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    I have been having a think about this negative and have re-read your earlier post number 3. I am setting myself up to be shot down here but as I understand the Zone system the close down 2 stops for Zone III is from a REFLECTED reading of a shadow or other area where you want a dark tone with detail. Your post says that you used an INCIDENT light reading and as this is an integrated reading of the overall light falling on the scene (still life in this case) does this need the 2 stop closing down?

    I have also found information that suggests the true speed of Fomapan 100 is nearer to 50 ISO rather than 100. My normal rating for this film is 64 ISO.

    All in all that, combined with the reciprocity effect, could account for your underexposed negative.
     
  11. Ian-Barber

    Ian-Barber Administrator Staff Member

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    Sorry Bill, I did mean spot reading not incident.

    Do you have a link to this please.

    What issues did you encounter with ISO 100 and also what developer do you use for Fomapan 100
     
  12. Bill Martindale

    Bill Martindale Member

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    Your use of a spot reading would make sense to the rest then.

    The film speed was from this discussion on FADU http://www.film-and-darkroom-user.org.uk/forum/showthread.php?t=7882 and post No 2 on this http://www.largeformatphotography.info/forum/showthread.php?47592-Fomapan-100

    I have never used it at 100 ISO. Long story but on a course I did many years ago we were told by Mike Ware, of alternative processes fame, to halve the makers film speed and cut development by 15%. I have stuck by that ever since but tests do show that it works. I have used ID11, Xtol, Perceptol and Ilfotec HC. I am settling on ID11 probably 1+2 as noted by Alan Clark in another post.
     
  13. Ian-Barber

    Ian-Barber Administrator Staff Member

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    Do you think these suggestions apply to scanning or just to darkroom printing on grade paper
     
  14. Bill Martindale

    Bill Martindale Member

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    As I have never tried scanning and the FADU forum is for darkroom users I suppose they are for darkroom usable negatives. As is always the case with films and developers the normal advice is to adjust film speed, developers and processing times until they suit your equipment and way of working.
     
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  15. Ian-Barber

    Ian-Barber Administrator Staff Member

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    Thanks Bill, I have made some notes and will perform some experiments with different ISO speeds and judge the results individually.
     
  16. Diz

    Diz Member

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    Scratches on Foma can drive you to distraction. I honestly believe you can scratch it with the wind caused by blinking to much when loading DD's.
    My modus operandi is to rate it at 80 and develop in Rodinal 1:50 for 8 minutes. The reciprocity I use is, 1/2-1 s + 1 stop. 1-10s + 3 stop. 10-100s + 4 stop
    If the photo is high contrast, ie the interior of a cathedral looking at the big window, I will cut development by about 20%
    Cheers
    Diz
     
  17. Ian-Barber

    Ian-Barber Administrator Staff Member

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    Are you printing in a darkroom Diz or scanning and inkjet printing
     
  18. Diz

    Diz Member

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    I,m printing on a diffuse DeVere 504. However, it seems to scan well on my epson 700. That said, I have very limited digital skills, so they might be poor:oops: I will try and find one I made before and post it.
    Cheers
    Diz
     
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  19. Diz

    Diz Member

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    Here's a scan using my usual method. The only digital tweeks are histogram, contrast and unsharp mask.
    web_Coloony mill.jpeg
    Cheers
    Diz
     
  20. Ian-Barber

    Ian-Barber Administrator Staff Member

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    Thanks Diz. I have also noted your Reciprocity times down as I understand this Fomapan can be tricky at exposures over 5 secods
     

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