[LargeFormat] Re: rainbows, was R O Y G B I V

[john frost]

As with cars, people, and aircraft, their motion through the frame may 
be fast enough to NOT be recorded, if using a slow shutter speed. If you 
want to capture the reflection (or refraction)of a drop (or molecule) of 
water, a faster shutter speed is needed.

john (:>)))

Alan Davenport wrote:
> At 11:47 AM 12/11/2003, you wrote:
> 
>> A slow shutter speed allows the water molecules to run away (turn), 
>> thereby loosing their contribution to the color.
> 
> 
> Are you serious? Hmmm.  My understanding of the physics of rainbows, is 
> that the bow is produced by internal reflections and refraction through 
> water droplets, i.e., rain.  I doubt if the fastest shutter could keep 
> up with motion at the molecular level...
> 
> 
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