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.
>
> ==============================================
> List usage info: http://www.zuikoholic.com
> List nannies: olympusadmin@xxxxxxxxxx
> ==============================================
>
>
> ==============================================
> List usage info: http://www.zuikoholic.com
> List nannies: olympusadmin@xxxxxxxxxx
> ==============================================
==============================================
List usage info: http://www.zuikoholic.com
List nannies: olympusadmin@xxxxxxxxxx
==============================================
|