Re: [APML] Re: E200 star image size.

["westergren" <westergren@netzero.net>]

Todd,

My film testing shows that for long (astrophoto) exposures, the E200 push to
+2 actually gives about 1 stop exposure (cut the time in half).  Same for
Provia 400 push +2 compared to standard development.

Don



> OK - so do you push 1 or 2?  How much
> do you cut exposure?  What about grain
> increase?
>
> I've seen significant RED layer halation in E-200,
> and I'd be happy to cure it with reduced exposure
> and push processing.
>
> Thanks
> Todd
>
> > From: "Taras R. Hnatyshyn" <tarashnat@earthlink.net>
> > Subject: Re: [APML] E200 star image size.
> >
> > Increasing exposure increases halation, in addition to density.
> > This would probably be a larger effect on color films as opposed
> > to B/W.
> >
> > Comparing Tech Pan (one layer) to any color emulsion (multi layered)
> > is a bit unfair. In addition, Tech Pan's grains are so much smaller
> > than just about any film out there. Not to mention it is quite
> > thinner than most other films. Not as many surfaces to reflect
> > light around.
> >
> > Taras
> >
> > On Monday, November 10, 2003, at 10:13 AM, Jason Ware wrote:
> >
> > >
> > >
> > > Jon Kolb wrote:
> > >>  That's one
> > >> reason to push process the film instead of exposing longer.
> > >
> > > Why would that make a difference? Pushing produces more
> > > density just as exposure time does.
> > >
> > > --
> > >  -Jason Ware
>
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