RE: oil immersion lens cleaning

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From:Ian Montgomery <> (by way of Marvin Hanna)
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>From: jim <>
>Reply-To: "" <>
>To: "'Ian Montgomery'" <>
>Cc: "" <>
>Subject: RE: oil immersion lens cleaning
>Date: Tue, 25 Jan 2000 11:02:09 +1000
>Organization: ProSciTech
>X-Mailer: Microsoft Internet E-mail/MAPI -
>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.

>Jim Darley


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