Re: [APML] Rho & M8M20

[steve banbury <banburys@sonic.net>]

Hi Jon--thanks.
Your note came as I'm cramming stuff into the car for the trip, and I was
pondring what to do with the Provia.

I thought you were supposed to be somewhere in New Mexico right now?

Steve

Jon Kolb wrote:

> Hi Steve,
>
> >  I didn't realize
> > the Provia needed a 2 stop push process!  The data on Jon
> > Kolb's shot didn't indicate any push processing was
> > necessary. Maybe thats why so many people complain about
> > trying this region and not capturing much nebulosity?
>
> The shot on my web page is not pushed, or I would have noted it.  I've
> used the stuff unpushed and pushed one stop, and haven't noticed any
> problems with grain either way.  The only time I push it is when
> shooting at f/7.9 through the TMB152, in order to keep the exposures
> shorter.  At f/4 through the Borg, it's just as easy to go another 10-15
> minutes.  On bright subjects (Rho isn't one of them!), 15 minutes at f/4
> will record an amazing amount of nebulosity on this film.
>
> Sincerely,
> Jon Kolb
> Adventures in Astrophotography
> http://home.datawest.net/jkolb/
> jkolb@datawest.net
>
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