BMS INVERTED BIOLOGICAL
5-2 The installation and use
5-2-1
Installing the phase contrast
slider（fig.28）
1. Keep the slider
①
face ( the surface which had
character) up towards, then inserted it into the
illumination system from the right to the left
like the figure showed.
2. Every light ring or opening has its own
located position, so you need to move them
until you heard the “clicked” to ensure the ring
or the opening reaches the center of the light
path.
3. When in the phase contrast observation, do
keep the aperture diaphragm adjustment
lever
②
on the position of “O” (wide opening).
5-2-2 The centering ring
（
fig.29 and fig.30
）
★ Usually you needn’t the operation of
centering. If necessary, please accord
to the following steps:
1. Place the specimen on the stage and
focus it.
2. Take out the eyepiece, replace it with
the CT ( the centering telescope),and
inserted it into the viewing tube
without diopter adjustment.
3. Make sure the matched phase contrast
objective and light ring( in the phase
contrast slider) have been in the center
of the light path.
Figure 28
Figure 29
Figure 30
3
1
2
2
1
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