How can I control the visual affect with Camera class?

I've checked the document:
http://help.adobe.com/en_US/AS3LCR/Flash_10.0/flash/media/Camera.html
But still don't find info on how to control the visual affect(like lightness, saturation and so on) of my pc camera.
Is that kind of job possible with actionscript?

Andrei1 , I'm worried I won't be able to see anything in the dark without setting the camera directly.
Will BitmapData manipulations manage to brighten the darkness exactly?

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