[filmscanners] Re: About cleansing

2003-11-21 Thread Stewart Skelt
If you do a lot of scanning you may find it worthwhile getting a small
compressor from a hobby shop, of the type used for airbrushes. That and a
cheap lens brush do a pretty good job for me. I use a compressor which has a
condenser jar for catching moisture - it works very well. It is also very
good for blowing dust off the glass when I am framing prints.

-
Stewart Skelt
-
http://www.netspeed.com.au/sgskelt
-
- Original Message -
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Sent: Thursday, November 20, 2003 2:31 AM
Subject: [filmscanners] About cleansing


Three questions:
- what do you use to clean films (colour slides and b/w) before scanning?
- what about old plates?
- how to clean the glass (surface) of a flatbed scanner?

Thanks in advance for your advice!

Best

Guido



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[filmscanners] apology and more info re: About cleansing

2003-11-21 Thread Rob Geraghty
My apologies to everyone on the list about the multiple messages - the proxy
through which I was sending the messages somehow sends multiple button
clicks in such a way that several copies of the message result.  I don't
know why this happens, it doesn't happen all the time, and unfortunately the
only thing I can do about it is avoid sending messages while logged in
through that proxy. :(

Further to my comment about PEC12.  In the USA it's possible to get special
wipes which are presoaked with PEC12.  As far as I know it's not possible to
get them in Australia - I had to import the bottle of PEC12 I have as it
was!  PEC12 is very effective at removing dirt and mould, and I am also
hoping that it does a good enough job of removing mould that it discourages
regrowth.  However - the mould eats the emulsion so bear in mind that you
may end up with blank spots on your film.  It's *not* the fault of the
cleaner, but the effect of the mould eating the emulsion.  In some cases I
would wonder whether it's better to scan the image with the mould on it,
because some of the emulsion at the edges of the growth may be unstable -
either way it would make sens eto do a before and after scan.  PEC12 can
leave a residue on the surface of the film.  Other than cleaning it again
with more clean PEC12 I don't have any suggestions for removing it - but
others who have used it more may be able to comment.  I doubt the residue
would be noticeable in a scan but it *may* alter the contrast slightly.

Others on the list have suggested soaking in PEC12 for particularly
difficult grime.  I've never tried this.

Rob


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[filmscanners] Re: apology and more info re: About cleansing

2003-11-21 Thread Julian Robinson
To quickly support Rob's comment...

I scanned some badly mould-affected slides before and after cleaning them
on my LS2000.  The results were a decent advert for ICE - the scans done
before cleaning were remarkable in that the mould was almost not visible,
although it was intolerable without ICE.

It still took me 15 minutes to digitally tidy up the image post - ICE, but
it was possible, and the result was pretty good.

When I did a second scan after chemically cleaning the neg with some
patented neg cleaner I bought locally, the result was awful and I lost a
*lot* of image from the slide - I was much better off scanning without
cleaning.  I'm sorry I don't remember what the cleaner was...it has erased
itself successfully from my mind.

Julian


---Original Message from Rob Geraghty at 11:29 AM 22/11/2003---
In some cases I
would wonder whether it's better to scan the image with the mould on it,
because some of the emulsion at the edges of the growth may be unstable -
either way it would make sens eto do a before and after scan.


Julian
Canberra, Australia
http://members.austarmetro.com.au/~julian/photo-an/photo-an.htm



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