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Posted by Fred on 04/06/07 13:16
AnthonyR. wrote:
> Richard, when you say the camera has automatic white balance, what do
> you mean? How does it balance it? How do you tell it what is white?
> And if it's automatic, how does it do it?
> Usually, every camera I've ever owned even the cheapest, let's you point
> to a white object and hit a button so it can adjust to that being white.
>
> Does your manual in the Sony Digital 8 explain how it can possible
> determine a white subject on it's own (automatically)?
> It might have settings for daylight, tungsten, florescent etc...I can
> understand that, but auto, how?
>
OK when you do it manually the camera has to store the data from
the "white" sample you give it. With Automatic balancing a factory
standard white is stored in memory and the camera just references that
instead of something supplied by the photographer/videographer. It doesn't
do as well a job of compensating for specific lighting conditions, but it's
a good first approximation.
--
Regards, Fred
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