Film is a 3 layer device, each one sensitive to a single color. Check
here:
http://www.bway.net/~jscruggs/film.html
Winsor
Long Beach, California, USA
On Mar 8, 2006, at 8:40 AM, swisspace wrote:
> Not being a chemist so please excuse my ignorance, how does the
> little
> bitty film grain know what colour its supposed to be and does it just
> then pop into the full colour it chooses - I would have thought it
> changed gradually and hence wouldn't be just on or off.
>
>
> IanW
>
>
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