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MT-40 Series
3-3
Adjust the Focus
1. Move the objective 4X to the light path.
2. Observe the right eyepiece with right eye.
Rotate the coarse focusing knob until the
①
image appears (see Fig. 10).
3. Rotate the fine focusing knob
③
for clear
details.
★
The position screw
②
can stop the
objective touching the clips.
3-4
Adjust the Focusing Tension
If the handle is very heavy when focusing or
the specimen leaves the focus plane after
focusing or the stage declines itself, please
adjust the tension adjustment ring
①
(see
Fig. 11).
To tighten the focusing arm, rotate the
tension adjustment ring
①
according to the
arrowhead pointed; to loosen it in the reverse
direction.
3-5
Adjust the Interpupillary Distance
When observe with two eyes, hold the base of
the prism and rotate them around the axis until
there is only one field of view.
“
。
” on the eyepiece base points to
①
the
scale of interpupillary indication, which
②
means the value of interpupillary distance (see
Fig. 12).
Range
：
50
～
76mm.
Remember your interpupillary distance for
★
further operation.
Fig. 10
Fig. 11
Fig12
