Archived posting to the Leica Users Group, 2004/09/21

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Subject: [Leica] Re: FW: Black and White C41 Film
From: dorysrus at (Don Dory)
Date: Tue Sep 21 19:46:28 2004

If you have scratches on your negatives and you process your own
negatives, then you have to look at your camera and or cassettes if you

First, the Nikon scanner has an extremely coherent light lens so any
defect in the film is found, so microscopic marks show up all to well.

Using the standard stainless steel reels, I only have scratches like
that when I use my IIIf and my Canon IVsb.  To this day I have not found
the &*%$$ rough spot in either camera so I have to healing brush out a 1
to2 pixel scratch across most of any frame.  What makes it hard is that
you can not see that small a line on the negative so you have to guess
where the dirt is on the body.


-----Original Message-----
[] On Behalf
Sent: Tuesday, September 21, 2004 9:19 PM
To: Leica Users Group
Subject: Re: [Leica] Re: FW: Black and White C41 Film

Are you certain that the scratches are present before you scan the
negatives?  Could the scanner itself be the culprit?
Dust can always be a problem when one must air-dry in the home
I've never used a drying cabinet, but I assume the environment can be
closely controlled.

Jim Nichols

> [Original Message]
> From: Adam Bridge <>
> To: Leica Users Group <>
> Date: 9/21/2004 8:08:41 PM
> Subject: Re: [Leica] Re: FW: Black and White C41 Film
> Hmmm...this is probably my own problem but I have a terrible time with
> very thin scratches on the film I process. I've tried everything to
> eliminate them and they continue to plague me. They only show up on
> scanned images, however. If I print the image in an enlarger they do
> not show up even on substantial enlargements. I'm assuming that it's
> an artifact of the scanning process - that the Nikon scanner somehow
> enhances the scratches.
> I also have a bit of dust problem even though I work hard to eliminate
> it. I know: buy a drying cabinet. Everything in its time!
> Adam
> On Tue, 21 Sep 2004 17:46:07 -0500, Eric <> wrote:
> > James:
> > 
> > >Comparing results with C41 B&W to the results I got with Plus-X,
XX, and Tri-X
> > >in the 1950s and 60s when I had my own darkroom, I have been
> > 
> > Don't need a darkroom.  Just a bathroom that can be darkened for a
> > minutes to load your film.  If your scanning your chromogenic film,
> > no reason why you can't scan your silver halide film.
> > 
> > The main advantage I see to C41 B&W is that you can use the infrared
> > on many scanners to help eliminate dust and scratches.
> > 
> > The main advantage I see to doing your own conventional B&W is that
> > don't need to eliminate dust and scratches that were placed there by
> > stupid lab.  :)
> > 
> > Come on.  You know you really want to.  :)
> > 
> > --
> > Eric
> >
> > 
> > 
> > 
> > _______________________________________________
> > Leica Users Group.
> > See for more information
> >
> _______________________________________________
> Leica Users Group.
> See for more information

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Replies: Reply from abridge at (Adam Bridge) ([Leica] Re: FW: Black and White C41 Film)
In reply to: Message from nicholsj at (JAMES NICHOLS) ([Leica] Re: FW: Black and White C41 Film)