Archived posting to the Leica Users Group, 2002/01/03

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Subject: Re: [Leica] any opinions as to what went wrong?
From: Nathan Wajsman <wajsman@webshuttle.ch>
Date: Thu, 03 Jan 2002 19:12:26 +0100
References: <304065.1010049521@cambric.reid.org>

Hi Brian,

I think that your hypothesis is correct. I have had similar problems with
powder-based developers that are not TOTALLY dissolved. Scanning with a good
scanner like the LS4000 only makes things worse. I am now paranoid when mixing
XTOL; I use only distilled water, and I warm it up in the microwave to a
temperature well above the room temperature that Kodak recommends, to ensure
that the powder is well and truly dissolved.

Nathan

Brian Reid wrote:

> I've just dried and scanned my first roll of Neopan 1600 developed in XTol
> 1:3, and the result is bizarre and unusable. My best guess as to what went
> wrong is that I didn't mix the XTol enough and there were still particles
> floating around in it, but, in any event, if you'd be willing to look at
> this 200KB image that is a closeup of the scan, and express an opinion as
> to what those white things are, I'd be grateful. They are not dust: I
> looked at both surfaces of the negative under a microscope with strong
> sidelighting, and no dust was visible. (The object in the foreground is the
> back end of a seagull, and you are looking at actual pixels as they came
> out of the LS4000)
>
> http://reid.org/brian/images/xtol1.jpg
>
> that's an ell followed by a one in the filename.
>
> --
> To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html

- --
Nathan Wajsman
Herrliberg (ZH), Switzerland

e-mail: wajsman@webshuttle.ch

Photo-A-Week: http://www.wajsman.com/indexpaw2002.htm
General photo site: http://www.wajsman.com/index.htm


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In reply to: Message from Brian Reid <reid@mejac.palo-alto.ca.us> ([Leica] any opinions as to what went wrong?)