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September 2022

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Subject:
Re: Cleaning Objective Rear Lens Element
From:
Andrew Simmonds <[log in to unmask]>
Reply To:
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Date:
Thu, 15 Sep 2022 11:31:31 -0600
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*****
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Andrew Simmonds PhD
Professor & Chair, Department of Cell Biology
Academic Lead - Cell Imaging Core
Faculty of Medicine and Dentistry
5-14 Medical Sciences
University of Alberta | Edmonton, AB | T6G 2H7
T: 780-492-1840 | Cell: 780-995-3840 | E: [log in to unmask]
<[log in to unmask]> Twitter: @SimmondsLab
Cell Biology Departmental Assistant - Silvia McCormack | T: 780-492-7016 |
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On Thu, 15 Sept 2022 at 10:48, O'Connell, Christopher <[log in to unmask]>
wrote:

> *****
> To join or leave the confocal microscopy listserv or to change your email
> address, go to:
> https://lists.umn.edu/cgi-bin/wa?SUBED1=confocalmicroscopy&A=1
> Post images on http://www.imgur.com and include the link in your posting.
> *****
>
> Hi All,
>
> I noticed streaks on the rear lens element of our 40X oil immersion lens.
> This is a workhorse lens on one our most heavily used confocals in the
> core. Despite my efforts to keep it clean over the years, looks like some
> oil worked its way down.  Searching the list for "cleaning lenses" produces
> many interesting threads, but all of them appear to deal with the front of
> the lens.  Anybody ever try to clean the back, or should I send it to the
> manufacturer?  I ask because I can envision making it worse and smearing it
> around. If someone has been successful, please let me know how you did it.
>
> Chris O'Connell, PhD
> Director, Advanced Light Microscopy Facility
>
> University of Connecticut
> Department of Physiology & Neurobiology
> 75 North Eagleville Road, U-3156
> Storrs, CT 06269-3156
> Office: 860-486-3271
> [log in to unmask]<mailto:[log in to unmask]>
> www.confocal.uconn.edu<http://www.confocal.uconn.edu>
>

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