Standard white balance presets?

Discussion in 'Digital Photography' started by Marty Fremen, Sep 17, 2007.

  1. Marty Fremen

    Marty Fremen Guest

    Are white balance presets standardised in terms of the colour temperature
    conversion they achieve in the way that filters are?

    Experimenting with my camera indicates that "sunny" = no correction whilst
    "cloudy" is the same as using something like an 81A or 81B correction
    filter (I only have an 81C filter that I can use for comparison and cloudy
    gives about 1/2 - 2/3 the correction of that).

    I've never seen any camera specs which say anything about colour
    temperatures but whoever devised the presets must surely have worked to
    some specification.
     
    Marty Fremen, Sep 17, 2007
    #1
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  2. Marty Fremen

    JL Guest

    Most of the cameras are using an internal algorithm for calculating the
    white balance. Results vary from camera to camera.
    See
    http://www.digigrey.com/en_faq.html#camera_wb

    Cordialement,
    Jean-Luc Ernst

    "Marty Fremen" <> a écrit dans le message de news:
    Xns99AEDF79FB723C9A6@213.239.142.64...
    > Are white balance presets standardised in terms of the colour temperature
    > conversion they achieve in the way that filters are?
    >
    > Experimenting with my camera indicates that "sunny" = no correction whilst
    > "cloudy" is the same as using something like an 81A or 81B correction
    > filter (I only have an 81C filter that I can use for comparison and cloudy
    > gives about 1/2 - 2/3 the correction of that).
    >
    > I've never seen any camera specs which say anything about colour
    > temperatures but whoever devised the presets must surely have worked to
    > some specification.
     
    JL, Sep 17, 2007
    #2
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