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Balance vs Exposure

Merlin_k Plus
9 13 12 United States
16 Feb 2009 8:06AM
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 13 2.7k 1 United Kingdom
16 Feb 2009 8:43AM
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 12 3.6k 61 United Kingdom
16 Feb 2009 8:49AM
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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