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15
III. MICROSCOPY
Image of field
diaphragm
Eyepiece
viewfield stop
Image of field
diaphragm
Eyepiece
~
viewfield stop
Fig.3-16
Fig.3-17
16) Focus and center the
condenser (Fig. 3-16).
(See p. 22, Operations In
Detall-8. )
17) Push In the analyzer knob to
put the analyzer Into the
optical path (Fig. 3-17).
18) Revolve the revolving
nosepiece to the objective to
be used and focus on the
specimen by manipulating the
fine or coarse focus knob.
(See Note: 2.)
When using an oil immersion
objective, apply oil to the
space between the top of the
objective and the specimen.
Take care not to produce
bubbles in the oil. (See p. 26,
Operations In Detail-14.)
19) When the ND filter cassette is
used, Adjust the brightness by
sliding the filter knob. (See
p. 27, Operations In
Detail-l 5.)
When the N D filter cassette is
not used, adjust the
brightness of the lamp by
manipulating the brightness
adjuster.
20) Adjust the viewfleld and the
aperture diaphragms by
manipulating their respective
control rings. (See p. 23 and
24, Operations In Detail-9
and -10.)
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