>Glen MacDonald asks about a loose prism in their Nikon Diaphot.
>I'm guessing that he has one of the earliest versions of the
>Diaphot 200. We have the same scope on our confocal, and had the
>same problem (I posted a message a few months ago). Apparently
>the cement used for this prism (the beamsplitter that directs
>light to the sidearm or to the eyepieces) was not cured correctly
>in the first N copies of the Diaphot 200 (N>3).
>
>Our Nikon rep arranged to have our microscope sent back to the
>factory for fixing and realignment. No charge; turnaround time
>was 1.5 weeks.
 
While we're on the subject...
 
Our brand-new Nikon Diaphot had the lens on its 1.4 NA high-res. condensor
sucked right out of its cement mounting.  Apparently the cement had
softened due to exposure to immersion oil for long periods of time.
 
Our Nikon rep gave us a new one on the spot and sent the other to Nikon to
be repaired, but the moral of the story is to make sure you wipe off your
oil condensors right after use.  Don't let assume that since they're
hanging upside down that oil can't contact the cement!
 
 
--
Charles Thomas                                  USPA Licence A-19548
Integrated Microscopy Resource
Univ. of Wisconsin-Madison
1675 Observatory Dr.
Madison, WI  53706
608-263-6288
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