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Thread: Flourescent tubes Aarrgh

  1. #1
    Inactive Member GrizzlyAdams's Avatar
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    Question

    Stupid Question. How do I filter a Digi 8 camera to reduce the impact of manky flourescent tubes.

    Im shooting in a gym, day is great, dusk-evening is all a lovelly liver failing colour yellow.

    Thanks


  2. #2
    Inactive Member Curtin-Parloe's Avatar
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    Post

    Those in the know might say you had a colour temperature problem, and the best way to get round it is something like trying to set up a daylight filter in an editing package, covering the windows during the day, etc.

    But I'm not in the know, so I won't. wink

    Cheers

    Paul

    PS If you come from God's Country, what's he like as a next door neighbour? Does he borrow the strimmer and stuff?

  3. #3
    Inactive Member GrizzlyAdams's Avatar
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    Question

    Gods a right stroppy mare, and I make sure I cut the grasss well before she asks, cause like the wife - she doesnt like to ask twice.....

    NW UK ? Wouldnt by Tyneside would it....
    Now thats Gods holiday resort......

  4. #4
    Inactive Member machead's Avatar
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    Post

    OK
    what you nead to do is put a magenta filter on your camera this will eliminate the green cast.You can get a gelitin filter made by Lee, you want the 20M (florecent lights colour temp. vary so do a test )or an FL-D. they cost a couple of quid and you can cut them down to an appropriate apeture for your lenses.(or just tape it over the lens)

    If your mixing tungsten light in aswell you'll need to put green over them so they'll balance (to counter act the magenta on the lens)assuming your using HMI as they're daylight corrected.

    and finally you may find it useful to learn the 'colour wheel'

    ------------------
    MACHEAD
    http://www.apple.com

  5. #5
    Inactive Member no_one119's Avatar
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    Post

    I'm not exactly in the know but yes it's a colour temp problem.

    Several ways round it:

    If your camera has a white balance button either set it to flourescent or do a manual white balance.

    Depending on how you plan to edit and what software you use you might be able to get rid of it in post, but not something I like to rely on.

    The usual way is to not use the flourescent lights and light it with tungsten.

    You could stick gels over the flourescent tubes to convert it to either daylight or tungsten coloured light.

  6. #6
    Inactive Member Curtin-Parloe's Avatar
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    Post

    I knew someone in the know would know

    I live in Liverpool, God's enema clinic biggrin

    PS No offence to God, I only said He because She has a beard in her passport photo wink


  7. #7
    Inactive Member dstepson's Avatar
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    Post

    The problem with flourescent bulbs is that they cast a green hue. You want to change the bulbs in those fixtures to tungten bulbs(3200 degrees kelvin). You can also put some minus green gel over the bulbs.

    ------------------


    [This message has been edited by dstepson (edited August 26, 2001).]

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