As to inverted microscopes vs. uprights - this is a research cell biology lab,
and we have 2 inverted and 3 uprights, and also people who don't clean the
lenses on any of them.

Lesley Weston.



On Tue, 25 Jan 2000, Ian Montgomery wrote:

> >From: jim <jim@proscitech.com.au>
> >Reply-To: "jim@proscitech.com.au" <jim@proscitech.com.au>
> >To: "'Ian Montgomery'" <ian.montgomery@bio.gla.ac.uk>
> >Cc: "histonet@pathology.swmed.edu" <histonet@pathology.swmed.edu>
> >Subject: RE: oil immersion lens cleaning
> >Date: Tue, 25 Jan 2000 11:02:09 +1000
> >Organization: ProSciTech
> >X-Mailer: Microsoft Internet E-mail/MAPI - 8.0.0.4211
> >
> >You have my sympathy for working with grots Ian (been there myself), but
> we are
> >talking about human nature, rather than the principle "do you have to
> >frequently clean to have the objective live."
>
> 	Unfortunately, yes. The majority of the work done in Physiology/Biochem
> labs now is on live tissues and cells. The combination of immersion oil and
> physiological salt solutions is a nightmare. When the lens are cleaned
> after use they last, but when left, even overnight, the life span
> deteriorates. Honestly, I might sound harsh, but for Physiology/Biochem.
> applications regular cleaning is essential.
>
> >Your department may be full of inverted scopes, but I would be surprized
> if one
> >in a hundred scoped in this world was inverted.
>
> 	Everyday microscopes I would agree most would be upright but I
>wonder what
> the figures are in research labs between upright and inverts. Anyone from
> the trade willing to enlighten us.
> Ian.
>
> >Cheers
> >Jim Darley
> >ProSciTech
> >
>
> Jim,
>
>
>
>