And yet another reason to eschew the devil's toy and to press harder my hands
over my ears against the siren song of high-tech toys and instant gratification.
Walt, who has lots and lots of filters in five different sizes -- and lots of
film
--
Everybody has a photographic memory. Some people just don't have any film
because they have been hexed with pixel dust.
-------------- Original message from Jim Brokaw : --------------
> on 6/16/04 8:22 AM, AG Schnozz at agschnozz@xxxxxxxxx wrote:
>
> > FWIW,
> >
> > I'm not having much success with putting filters on my digicam.
> > For one thing, the metering over-exposes by a factor of 3 to 4.
> > Secondly, the tonal curves are really trashed. Seems that the
> > bayer array's algorithm really does require all four sensors
> > within the site to get light to be able to adequately generate
> > the recorded pixel information. A red #25, for example,
> > produces nothing but murkiness.
> >
> > Now, what about applying color filters in an editor? Yes, that
> > works and you do get an opportunity to learn what's going on.
> > But I haven't been able to come anywhere near to the tonal
> > seperations and tonal smoothness of silver-based films and
> > papers.
> >
> > A well exposed and processed negative is able to capture more
> > tonal nuances and has far superior shoulder/toe characteristics
> > than digital.
> >
> > The darkroom won't be retired quite yet.
> >
> > AG
>
> I think the Bayesian filter arrangement pretty much means you need to
> capture white light to get full information for each pixel. But then,
> because you can separate the color channels you can pick tonalities after
> the fact in Photoshop and get similar results. I don't know if the 'filter'
> is the same as changing the relative brightness values for the color
> channels, though.
> --
>
> Jim Brokaw
> OM-'s of all sorts, and no OM-oney...
>
--
Everybody has a photographic
memory. Some people just don't
have any film.
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