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RE: [APML] Print films for AP



Looking at Kodak spec sheets everything but the IR films'
responses plummets at the Ha wavelength.

Hmmm.  Has anyone tried IR film with a H-a filter?  May be
unacceptably grainy, though.

Gene Horr
genehorr@texas.net



> Nicola,
>
> I have only tested Tech Pan hypered.  I don't think there has been much in
> the way of changes to B&W film in recent years.  Trials of Tri-X
> and Plus-X
> in the past have shown that they don't do well for astrophotography.  Tech
> Pan has such high resolution and fine grain, and can be pushed to
> give high
> contrast when hypered and used with a high contrast developer, non of the
> other films come close.
>
> If you have a film in mind that might be a candidate, let me
> know.  I really
> haven't looked at B&W films much.
>
> Don
>
>
>
> > Hi Don,
> >
> > what about B&W films? Any valid unypered candidate?
> >
> > Cheers,
> > Nicola
>
>
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