x-ray damaged film (un-usual)

Discussion in 'Australia Photography' started by kosh, Jun 25, 2004.

  1. kosh

    kosh Guest

    HI all,

    I am curious if anyone has seen a specific x-ray fogging effect, or might
    know what caused it.

    normal x-ray fogging tends to be small squiggly lines... usually with soft
    edges.

    this was.....

    a solid waveform(fogging) across 3/4 of the film width.
    It goes through the entier film.. not just the start, middle or end.
    There is one complete wave (sideways s-shape... or one period) per 1-2
    frames.
    the fogging was hard edged.

    My physics backgroud suggests that this is possible, however the columnation
    of the beam is so tight it would not give a great indication of an entire
    bag.... not very usefull for security checking unlwss they were concerned
    obaout the single roll.

    the photos were from 6 months ago..... and they were of New York so it
    tracks that it was x-ray

    It was suggested to the customer that this was the cause, and she accepted
    it very quickly...almost confirmed it. Unfortunately I was unble to quiz her
    further... was there some form of scrutiny of her bag etc... I am pretty
    sure it was in her carry on luggage.

    I have worked in busy labs and have seen x-ray damage before, but never like
    this. Can anybody shed some light... had a similar experience or any ideas?

    kosh
     
    kosh, Jun 25, 2004
    #1
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  2. kosh

    Eric Hocking Guest

    This link <http://www.kodak.com/global/en/professional/support/techPubs/cis98/cis98.jhtml>
    at the Kodak site seems to support your conclusion of the cause. It
    would be interesting to know if the film was in the camera, hand
    luggage or hold luggage and whether your customer had other film that
    was or was not affected (and why).
     
    Eric Hocking, Jun 25, 2004
    #2
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  3. kosh

    Eric Hocking Guest

    This link <http://www.kodak.com/global/en/professional/support/techPubs/cis98/cis98.jhtml>
    at the Kodak site seems to support your conclusion of the cause. It
    would be interesting to know if the film was in the camera, hand
    luggage or hold luggage and whether your customer had other film that
    was or was not affected (and why).
     
    Eric Hocking, Jun 25, 2004
    #3
  4. Related to this, how should I stop x-ray damage to my film when I go to
    Nepal later this year.

    I'll be shooting slides and don't like my chances of having them processed
    over there (in fact I was planning on buying film over here, and getting it
    processed on return).

    Any hints??

    Gareth.
     
    Gareth Edwards, Jun 26, 2004
    #4
  5. kosh

    me Guest

    Carry it in your hand luggage and have it hand inspected at each
    inspection.

    or ... Get a digital camera ... Did someone say Canon!

    Film xray damage in accumulative each time it passes through the xray
    machines even if they are low dose. Its quoted that 5 passes is
    sufficient to damage film. And if for some reason they wish to have a
    close look at a dense object they can bump up the dose levels.

    rm
     
    me, Jun 26, 2004
    #5
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