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[OM] Re: Digital vs film resolution a way or thinking its not about the

Subject: [OM] Re: Digital vs film resolution a way or thinking its not about the numbers!
From: Winsor Crosby <wincros@xxxxxxxxxxx>
Date: Mon, 13 Mar 2006 09:06:02 -0800
Wow. That is great Piers. It does help. Thanks.



Winsor
Long Beach, California, USA




On Mar 13, 2006, at 8:21 AM, Piers Hemy wrote:

>
> Does this page
> http://www.kodak.com/country/US/en/motion/support/h1/ 
> exposureP.shtml help
> (starting about half-way down the page, some images of grain,  
> including a
> SEM image)?
>
> --
> Piers
>
> -----Original Message-----
> From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On  
> Behalf
> Of Winsor Crosby
> Sent: 13 March 2006 15:39
> To: olympus@xxxxxxxxxx
> Subject: [OM] Re: Digital vs film resolution a way or thinking its  
> not about
> the numbers!
>
>
> I rather like Reichmann's explanation, but I was surprised when I  
> passed it
> on to a friend who asked whether he had ever looked through a grain
> magnifier. He said that grain is all shades of gray. My darkroom  
> work was
> only for a few months, in spare time, many years ago, but I have no  
> memory
> of either black or white for film grain although the focusing  
> magnifier
> probably did not produce an image of the actual grain.
>
> The only thing I could find on the web was a brief explanation  
> which showed
> an illustration of a huge film grain crystal with a single molecule  
> making
> up the structure of the crystal being changed by a photon. That  
> would seem
> to indicate that a grain crystal could be any level of gray  
> depending on how
> many molecules were transformed by light.  Reichmann's argument  
> depends
> completely on the on-off digital state of a grain crystal. Does  
> anyone know
> the answer?
>
> A side note is that while I was googling for an explanation I was  
> amazed how
> commercial enterprise seems to have pushed internet information way  
> into the
> background.
>
>
>
> Winsor
> Long Beach, California, USA
>
>>
>> I am not trying to be right I am trying to make people think - thats
>> my real job.
>
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