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Balance vs Exposure

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    Merlin_k e2 Member 5Merlin_k vcard Netherlands2 Constructive Critique Points
    16 Feb 2009 - 8:06 AM

    I am sorry that this is a really basic question but, in Lightroom, Photoshop etc, what is the difference between exposure and brightness?

    Clearly I understand that adjusting the exposure in RAW files is the same as having taken the picture at a different exposure but, as this is the same as adjusting how much light is in the picture, I don't understand how "Brightness" does anything different.

    Thank you.

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    Henchard  92744 forum posts United Kingdom1 Constructive Critique Points
    16 Feb 2009 - 8:43 AM

    As I understand it:

    Exposure Sets the overall image brightness, with a greater effect in the high values.

    Brightness Adjusts image brightness, mainly affecting midtones.

    Exposure moves the whole histogram left and right.

    Brightness moves the middle of the histogram, while leaving the edges of the histogram wherever you left left them when you adjusted exposure.

    miptog  93532 forum posts United Kingdom61 Constructive Critique Points
    16 Feb 2009 - 8:49 AM

    Thanks for raising this question as I was wondering the same. Likewise what is the difference between adjusting Levels and Exposure. I generally adjust levels before exposure and brightness. Is this a good workflow?

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