I never said that film aliased. I asserted that the requirement to limit lens
resolution was not new to digital. This assertion you can believe or
disbelieve. Your choice.
For accuracy, aliasing is not a phenomenon which "appeared when people began
using computers to extract information". It's much older than that.
Julian
> from: Jeff Keller <jrk_om@xxxxxxxxxxx>
> date: Tue, 23 Sep 2003 15:57:12
> to: olympus@xxxxxxxxxxxxxxx
> subject: Re: [OM] Nope, It missed it by few hundred miles
>
> Aliasing is a result of sampling a signal. This appeared when people
> began using computers to extract information and to create an enhanced
> image often from film (applies equally to sound, photo, electrical
> signals, etc but is a property of sampling). You have not shown that
> film has aliasing problems. Film does not impose a requirement to limit
> lens resolution. It does impose diminishing returns on improvement of
> the image.
>
> As another mentioned, randomly spaced samples do not give the same
> result that evenly spaced samples do.
>
> -jeff
> ----- Original Message -----
> From: "Julian Davies" <julian_davies@xxxxxxxxxxxxxx>
>
>
> > recorder in the parameters.
> > We are used to thinking that all limitations (except grain) on our
> images
> > are introduced as failings of the lens design. I have tried to show
> that the
> > film itself introduces a requirement to limit the lens design, and
> that in
> > this requirement is not something which has suddenly appeared with
> digital
> > capture devices replacing film. >
> >
>
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