Re: Cotton wool for lens cleaning

Posted by Martin Wessendorf-2 on
URL: http://confocal-microscopy-list.275.s1.nabble.com/Cotton-wool-for-lens-cleaning-tp6175236p6178285.html

*****
To join, leave or search the confocal microscopy listserv, go to:
http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
*****

Joel--

Can you provide the brand-name for the product?

Thanks--

Martin

On 3/16/2011 1:10 PM, JOEL B. SHEFFIELD wrote:

>
> Colleagues,
>
> I would like to report on a discovery that we have made concerning lens
> cleaning.  In our teaching labs,  we have a particularly difficult problem
> with 40x dry lenses that are routinely dipped into oil by inexperienced
> students.  These lenses have a small meniscus front lens element that is
> very difficult to clean with the conventional methods listed so far.
> Recently, during a trip to a supermarket, I came across microfiber cleaning
> cloths designed for glass cleaning that are 80% Polyester and 20% Nylon.
> The surface of the cloths is tufted, with a fine pile that enters the
> meniscus and It turns out that the combination of fibers sucks up oil
> without the need for any other solvents, leaving the lenses remarkably
> clean.
>
> In the past, we have had to remove the lenses to clean them.  Now, we can
> leave them on the scope and essentially wipe them clean.
>
> Joel

--
Martin Wessendorf, Ph.D.                   office: (612) 626-0145
Assoc Prof, Dept Neuroscience                 lab: (612) 624-2991
University of Minnesota             Preferred FAX: (612) 624-8118
6-145 Jackson Hall, 321 Church St. SE    Dept Fax: (612) 626-5009
Minneapolis, MN  55455                    e-mail: [hidden email]