U of S | Mailing List Archive | alt-photo-process-l | Re: Gum calibration (was: Paper negatives- Ink Selection)

Re: Gum calibration (was: Paper negatives- Ink Selection)


  • To: alt-photo-process-l@usask.ca
  • Subject: Re: Gum calibration (was: Paper negatives- Ink Selection)
  • From: Keith Gerling <keith.gerling@gmail.com>
  • Date: Fri, 17 Oct 2008 17:26:59 -0500
  • Comments: "alt-photo-process mailing list"
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  • Reply-to: alt-photo-process-l@usask.ca

I'm not sure if there is a humidity factor.  I just never paid any
particular attention to it.  I gave special scrutiny to Loris's print
because I was looking for differences in our procedures in my quest
for shorter exposure times.  My development time for Fabriano is about
the same.

On Fri, Oct 17, 2008 at 4:56 PM, ender100 <ender100@aol.com> wrote:
> Is printing out with gum like Platinum/Palladium?  The more moisture, the
> more printing out?
> Best Wishes,
> Mark Nelson
> Precision Digital Negatives
> PDN Print Forum @ Yahoo! Groups
> Mark Nelson Photography
> On Oct 17, 2008, at 3:55:22 PM, "Keith Gerling" <keith.gerling@gmail.com>
> wrote:
>
> I am going to look more carefully at my next print, but off-hand I
> would say that I can see very little highlight detail in my prints
> before development. I've had occasions where I could barely detect
> any image at all, but have still come up with a full-toned print after
> development. How long did it take to develop that print?
>
> --
>
>
>