EXIF Brightness Value (what is it)

Started Jul 28, 2008 | Discussions thread
ej64 Regular Member • Posts: 226
It's the average scene luminance

It's an ASA standardized brightness value of the avarage scene luminance. It is used within the APEX system.

Have you ever bothered using wikipedia?
http://en.wikipedia.org/wiki/APEX_system
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best regards
Eberhard
my site: http://www.ej64.de -- galleries, blog (german) and other stuff

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