Marc Jacquier wrote:

> news:42036176@news.povray.org...
>>
>> What *might* make a difference is the speed that the shutter opens.
>> If it opens slowly relative to the "shutter speed" then the
>> "weighting" of the instantaneous image will be lower at the
>> beginning and the end when the shutter is only partially open.  But
>> seeing as shutters can open at 1/4000 second, I doubt it would make
>> much visible difference.
>>
> Don't forget that curtain shutters don't expose the whole picture
> surface at the same moment: at high speed, it is merely a narrow slot
> between 1st  and 2nd curtain that sweeps across the film window.
> BTW isn't the eye model  with its Persistence Of Vision better than
> photographic model?
> Image fades smoothly from retina in roughly 1/25 sec so last image
> should be stronger than 1st

Very true, I've never thought of that before!

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