From: Ed Buffaloe (EdBuffaloe@unblinkingeye.com)
Date: 02/19/02-04:58:50 AM Z
Bob,
What is the advantage of using the base side?
Ed Buffaloe
http://unblinkingeye.com
----- Original Message -----
From: "Bob Kiss" <bobkiss@caribsurf.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Monday, February 18, 2002 8:29 PM
Subject: SPOTTING NEGS
> DEAR LIST,
> I have had very good results using "Lithographer's Opaque" obtained
from
> a graphic arts dealer...if I can find it here in Barbados, y'all must be
> able to find it in or near any major city. It comes as a rather thick,
> black gel. I dilute it with water and a VERY few drops of Photo-flo which
> reduces the surface tension and makes for EXTREMELY small droplets. I
don't
> have an exact dilution...syrupy is what I call it! I use a 00000 brush
> with half of the hairs pulled out (jeweler's loupe and tweezers). I use
the
> jewelers loupe to look at the negative on a light box. I spot on the BASE
> side, not the emulsion side. I dip the brush in the solution, draw it to
a
> needle sharp point by rotating it as I draw it across some cheap paper
> (which I also use under my hand to keep skin from direct contact with the
> neg) leaving a small amount of solution on the brush. Looking through the
> loupe I place the brush at a high angle, just off vertical, aiming the
sharp
> end at the clear spot on the neg, then I VERY SLOWLY land the tip on the
> clear spot and immediately lift. If I need more I do it again. Better
two
> or three applications to just cover the spot on the negative than a golf
> ball size white spot on your enlargement from too big a spot on the neg.
I
> also steady my brush hand by resting it on the other hand. If you over do
> it, the Lith Opaque wipes off with isopropyl alcohol ( which evaporates
very
> quickly allowing you to try again) or, I am sure PEC-12 will do a good job
> as well. I haven't heard of Crocein Scarlet since I was a boy (mid 60s)
and
> a friend gave me his negative retouching set up when he gave up shooting
5X7
> portraits on Kodak's portrait film (which had a matte retouching surface
on
> the back!!!) and I found it with all other sorts of goodies. I still have
> them but I have found the Lithographer's Opaque to be quick and very
opaque
> if you don't dilute it too much. FWIW, just my way of solving the
problem
> of pesky dust spots on negs.
> CHEERS!
> BOB
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