Re: Is IR Alt?

George L Smyth (GLSmyth@ari.net)
Wed, 22 Oct 1997 18:23:54 -0400

Sandor Mathe wrote:
>
> GLSmyth@ari.net wrote:
>
> > Elton N. Kaufmann wrote:
> > >
> > > Beside chairing the gallery, I do some personal shooting, but use
> > > straightforward silver gelatin materials in the darkroom. I've recently
> > > started using IR sensitive film, however (so far Kodak and Konica, no
> > > Ilford yet),
> >
> > Ilford does not market an infrared film. They do sell an extended-red film, which is
> > not the same.
>
> I thought the Konica film was also "just" an extended-red film.

No, Konica's film is a true IR film. It peaks at 750nm and extends to 820nm. This
isn't as far as Kodak's IR, but is well in the IR spectrum.

george

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