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Thread: Mystery Film

  1. #21
    cmacd123's Avatar
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    Paper in the pictures is consistent with GP3 all right. MOST GP3 actually does have an abbreviation of the makers name in vary fine letters about twice in a roll SPMMC or similar as the name has changed a few times. it is so small it is easy to miss. (obviously only after development) Even if it is another Chinese film, treating it like GP3 is probably not far off the mark.
    Charles MacDonald
    aa508@ncf.ca
    I still live just beyond the fringe in Stittsville

  2. #22

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    oh yes, I forgot about those edge marks.

  3. #23

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    Quote Originally Posted by Regular Rod View Post
    What about the images?
    RR
    Not a lot there. Low image density and lots of fog.

  4. #24
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    Quote Originally Posted by Colin DeWolfe View Post
    Not a lot there. Low image density and lots of fog.
    You're hitting more nails on the head of GP3...
    An awful lot of electrons were terribly inconvenienced in the making of this post.

    f/64 and be there.

  5. #25
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    Looks/sounds like GP3 to me. The numbers and dots from the backing paper coincide with my experience. Apparently no way to avoid that either.

    The ink comes off on the emulsion side of the film from the outside of the backing. The camera I used was a Pentax 67, so no window. In the frames the image was lighter on the area where the number appeared on the negative. Which indicates the ink blocked the light, and then washed off during development.

    The stuff does not curl so bad in HC-110 B, for 7.5 minutes. Just ruins most negatives with numbers and dots.


    Sent from my iPad using Tapatalk HD

  6. #26

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    If it is Foma or the Arista version, the necessary info is on the sealing strip ie.black and white 100, 400 or whatever. Edge marking will be Fomapan, FP, or Ultra, according to Foma tech data.

  7. #27

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    Quote Originally Posted by Dr Croubie View Post
    You're hitting more nails on the head of GP3...
    I've developed dozens of rolls of GP3 in several different developers, and never had a problem with "low image density and lots of fog"; it's perfectly good film for what it costs, and if folk are getting thin foggy negatives the chances are it's how its being exposed &/or developed, not the film

  8. #28
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    If it weren't for the ink transfer off the backing paper, I would agree.

    In the images that are not damaged, or I can work a little dark room magic, the film is well exposed and no fog.


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  9. #29

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    I've never had the ink transfer. It seems to have been limited to one (albeit large) batch.

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