In article <>, Alfred
Molon <> wrote:
> > Nikons have measured the pattern of brightness and deduced the nature
> > of the subject since the late 1980s. I remember establishing that the
> > F801s could determine the correct exposure for snow but we were
> > puzzled as to how it did it. We were told that it had a database of
> > 45,000 pictures from which it worked.
>
> Very strange. Can't you just measure the light intensity and adjust the
> exposure accordingly? Why would a database be necessary?
meters can be fooled. analyzing the scene helps determine the optimum
exposure (which still might not be what the photographer wants).
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