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Re: Digicam-film grain vs. grids



Have you ever used Polaroid instant slides? Good illustration of your
contention.

on 06/09/2002 09:21 AM, SKID Photography at skid@bway.net wrote:

> Paul,
> But you are making the false assumption that film information is arranged in a
> grid fashion similar to pixels.   I maintain, (and have had it confirmed by
> others, more technically accomplished than I) that to reproduce the the random
> information on film (made up of irregularly shaped grains) it takes a lot more
> pixels to express that information.   Think about it.
> 
> Harvey Ferdschneider
> partner, SKID Photography, NYC
> 
> 
> 
> 
> "Paul D. DeRocco" wrote:
> 
>> Well, in another of today's messages to this list, Kennedy reports that
>> Kodak claims 3000lpi for Ektrachrome 100. Certainly there are finer grained
>> films, but 13 times as fine? Or is Kennedy mistaken?
>> 
>> --
>> 
>> Ciao,               Paul D. DeRocco
>> Paul               mailto:pderocco@ix.netcom.com
>> 
>>> From: SKID Photography
>>> 
>>> "Paul D. DeRocco" wrote:
>>> 
>>>> Even with Kodachrome 25, a tripod, and a fixed focal length
>>> lens, I don't
>>>> believe there's ever 8000dpi worth of actual picture
>>> information on a piece
>>>> of film.
>>>> 
>>> 
>>> Paul,
>>> Then you would be wrong.  There is well over 40,000 dpi in a
>>> piece of 35 mm
>>> film.   This has been discussed ad nauseum on several other lists
>>> and that has
>>> been the conclusion, every time.   I don't wish to repeat it here.
>> 
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> 
> 
> 
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