Orchid XP v8 wrote:
> Jim Henderson wrote:
>> On Wed, 05 May 2010 12:35:02 +0200, scott wrote:
>> 
>>> And typically pros will not let the camera do *any* processing, and
>>> import the raw sensor data to their computer for manual colour,
>>> sharpness and exposure control.
>> 
>> Exactly - the adjustments I made were pretty basic with GIMP (similar to
>> the ones you made), but if RAW format images were available, there'd be a
>> lot more room to adjust things like exposure.
> 
> ...but once the image has been taken, the exposure has already happened.
> How can you change it after the fact?

In film cameras, exposure means how much time the film is exposed to light. 
In digital cameras, the sensor is receiving light all the time. What does 
"exposure" mean there?

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