Adjusting for lighting color temperature

Discussion in 'Photoshop' started by Tony Cooper, Mar 28, 2005.

  1. Tony Cooper

    Tony Cooper Guest

    When photographing small, reflective objects, I use blue EBW bulbs
    with a 4800K rating in external floods. They're expensive, available
    only from a store on the other side of town, and have a short life.
    Incandescent (tungsten) bulbs have a 3000K output, and give the images
    a very yellowish tinge. I shoot on a white background.

    I shoot with a calibration card in the background so I can set the
    black, white, and gray points in Curves. That adjusts the yellow out,
    but it makes the object look stark.

    Is there a way of adjusting the image in Photoshop 7 to match the
    4800K bulb results with 3000K tungstens? Preferably a series of steps
    that can be made into an action?
    Tony Cooper, Mar 28, 2005
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  2. Tony Cooper

    RSD99 Guest

    Try the 'Color Temperature and Exposure Correction' plugin ... at the Adobe
    Studio web site or directly from the author(s) at
    RSD99, Mar 28, 2005
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  3. Tony Cooper

    seaside Guest

    seaside, Mar 28, 2005
  4. You do not mention what kind of camera you use, but because you are
    talking about Photoshop afterwards, I presume it's a digital camera.
    Most digital cameras have manual white balance settings for a range of
    lighting conditions, including tungsten. I would start there before
    trying to correct anything in Photoshop.
    Johan W. Elzenga, Mar 28, 2005
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