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RE: [APML] D76 vs D19 development for hypered Tech Pan?
Chuck, looks like just a bad experience for me. Ive been using D19 for so
long, that perhaps I should take a second look at the D76. I appreciate you
bringing me up to date.
Chris
-----Original Message-----
From: owner-astro-photo@seds.org [mailto:owner-astro-photo@seds.org]On
Behalf Of Chuck Vaughn
Sent: Wednesday, March 06, 2002 12:32 PM
To: astro-photo@seds.org
Subject: Re: [APML] D76 vs D19 development for hypered Tech Pan?
Chris,
I don't know exactly what you mean by "used straight" but I mix them up
according to the instructions on the package. Do you have a roll of
35mm TP that has the paper insert? It gives the contrast index for
the various developers and D76 is in the middle. I have a negative
taken with the 350mm-f/2.8 lens of NGC7000, 2 exposure and developed
in D76. It recorded the same faint nebulosity but lower contrast
than a 1 hour exposure developed in D19.
Chuck
--------------------------------
> Chuck, perhaps your right. For me, this was a one time thing, long ago,
and
> I may have used expired chemistry. I have heard however that D76 is more
> contrasty than D19 if used straight. Is this your experience?
>
> Chris Schur
>
> Astrophotography: http://www.psiaz.com/schur/astro/index.html
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