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Thread: dust busting nightmare

  1. #1
    jetcode
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    dust busting nightmare

    The scans I am getting are just clogged with dust. What are the techniques do you use to reduce dust in a scan?

    Thanks in advance,
    Joe

  2. #2
    3d Visual Effects artist
    Join Date
    Jul 2007
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    Culver City, CA
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    1,177

    Re: dust busting nightmare

    I use a large 'blow bulb/rocket' and give the glass a good puffing of air and the down-side of the negative just before I place the negative down. I do the same with the next negative (I scan two 4x5s at a time), then I blow off the lid and the top of the negatives in the fully opened position, then just before the lid closes all the way (only a few inches open) I give another good puffing of air in there to make sure nothing settles down on the film as I close the lid.

    That seems to work quite well for my 4x5s.

    If the dust is stuck to the negatives so that a puff of air doesn't loosen the dust, I suppose some sort of soft brush could work as well?
    Daniel Buck - 3d VFX artist
    3d work: DanielBuck.net
    photography: 404Photography.net - BuckshotsBlog.com

  3. #3

    Join Date
    Feb 2005
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    2,955

    Re: dust busting nightmare

    I brush the glass with an anti-static brush and then gently close the cover. Before I began using the brush it was a spotting nightmare for me also.

  4. #4
    Saulius's Avatar
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    Nov 1998
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    Bend,Oregon
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    221

    Re: dust busting nightmare

    Aside from brushing and spraying with canned air before scanning, both negative and the scanner, I try to minimize the dust from collecting on the scanner itself by keeping a plastic cover on it at all times when not in use.
    You can also look here:
    http://www.largeformatphotography.in...highlight=dust
    http://www.largeformatphotography.in...-spotting.html

  5. #5

    Join Date
    Apr 2006
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    751

    Re: dust busting nightmare

    Wet Scanning helps a whole lot...

  6. #6
    Doug Dolde
    Guest

    Re: dust busting nightmare

    This is kind of a lousy answer because I haven't actually tried one since i send all my film out for scanning.

    But Kinetronics makes several sizes of anti static film cleaners. I'd look at the KSE models.

    http://www.kinetronics.com

  7. #7

    Join Date
    Mar 2005
    Location
    Baton Rouge, LA
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    2,428

    Re: dust busting nightmare

    Use a big anti-static brush and brush the scanner plate each time as well. I have a 12" brush that I keep by the scanner.

  8. #8

    Join Date
    May 2006
    Location
    SF Bay Area
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    308

    Re: dust busting nightmare

    A computer servicing blower vacuum with a concentrator attachment to focus air works far better than any of the usual canned air products. I've been cleaning my optical parts and film for a couple decades using something like this:

    http://www.demco.com/CGI-BIN/LANSAWE...BLK921&STA0000


    ...David Senesac

  9. #9
    Confidently Agnostic!
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    Aug 2006
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    Victoria BC
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    Re: dust busting nightmare

    Quote Originally Posted by jetcode View Post
    The scans I am getting are just clogged with dust. What are the techniques do you use to reduce dust in a scan?

    Thanks in advance,
    Joe
    I keep my desk / work area clean and try to dust it often. I also have a big rubberized printer cover that fits over my V750 and keep that in place all the time when I'm not scanning. I also keep all my negative carriers in their original plastic bags in a clean drawer of a desk near my scanning area, and only take them out briefly when I'm using them.

    And of course I use a rubber bulb blower on the glass and negative and holder before scanning (and after, before putting everything away).

  10. #10

    Join Date
    Jan 2006
    Location
    Spokane, WA
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    375

    Re: dust busting nightmare

    Quote Originally Posted by jetcode View Post
    The scans I am getting are just clogged with dust. What are the techniques do you use to reduce dust in a scan?

    Thanks in advance,
    Joe
    Depends on how you are scanning.... If you're wet-mounting with Kami or other types of mounting fluid, dust typically isn't a major issue (at least in my experience).

    If you are not using a wet-mounting system, I recommend you try cleaning the transparency or negative with PEC-12 immediately before scanning. That should get rid of fingerprints, dust, etc.

    Dust is the bane of all large-format photographers, there is only so much you can do, but if the room you are scanning in has a major dust problem, I'd recommend keeping the scanner wrapped in plastic at all times. I did this with my Nikon Coolscan 9000 when I was shooting medium format, and I never had dust as a problem after that.

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