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Thread: fluorescent light

  1. #1

    Join Date
    Jan 2000
    Posts
    23

    fluorescent light

    This is not really a lf question.I want to take some picture under fluorescent light(in the library) with daylight balanced color films. Do I need any filters?What should I use?Thanks .

  2. #2

    Join Date
    Dec 1998
    Posts
    405

    fluorescent light

    Yes. Magenta.

  3. #3

    fluorescent light

    Tao, your question is difficult to answer precisely for, unlike tungsten lightin g, fluorescent tubes come in a variety of colors. A precise metering would be required with a 3 colors meter such as the Gossen Colormaster 3F. But as a base, you could try with cold white tubes (color 840) a 81A and 15-25cc Magenta. With warm white tubes (color 830), add some blue : 80A + 80D + 15-25cc M. With daylight tubes, 15 to 25 cc M. With mixed daylight and warm fluo: 80A or 80B + 10M (you w ill have to find a compromise). Some tubes are better in the red than others, so less magenta shoul d be used. There was a technical sheet from Fuji with some indications for their films (certainly mor e precise than what I share). Perhaps is it downloadable from their website. If you can make a polaroid to check the effects, you can then correct the filter s set according to the results. Would the tube type be known to you, I would be happy to look for furth er indications. You can also simplify your work and shoot a Macbeth chart under local conditions. Then y ou can ask the lab to make the color balance for the prints to be right.

  4. #4
    Robert A. Zeichner's Avatar
    Join Date
    Feb 1999
    Location
    Southfield, Michigan
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    1,119

    fluorescent light

    Generally speaking, if working under what are referred to as "cool white" fluorescents, you can use an FL-D filter to balance for daylight film and an FL-B for use with Tungsten balanced films. There are too many variables to suggest a perfect filter without measuring the lights you are working under, but this will get you in the ballpark.

  5. #5
    tim atherton's Avatar
    Join Date
    Jul 1998
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    3,692

    fluorescent light

    Or you can try using Fuji NPS print film (hope they haven't stopped making it...). I find it does an excellent job in these circumstances, especially if there is a bit of daylight mixed in just to make things more difficult.

    I don't know if Fuji has changed the film since this short article was written, but it explains it better than I can.

    http://www.viewcamera.com/FUJI.HTM

    Tim A
    You'd be amazed how small the demand is for pictures of trees... - Fred Astaire to Audrey Hepburn

    www.photo-muse.blogspot.com blog

  6. #6

    fluorescent light

    Kodak has a publication titled: "Guide to Using Filters" which provides a great deal of precise information regarding cc filter combinations to correct just about every flourescent light source made. I have found this information to be accurate and priceless!

  7. #7

    Join Date
    Mar 1998
    Posts
    1,972

    fluorescent light

    In general a cc30M filter will get you very close, but in depends on the floures cent tubes being used and the film.

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