30
Chapter 5. Usage and Adjustment
A16.1098
right side of the host (Fig. 33)
②
The objective lens can be switched
clockwise
or
counterclockwise
by
pressing the two keys at the rear of the
right side of the host (Fig. 33).When
switching the objective lens, turn the
objective lens converter clockwise or
counterclockwise until it clicks into place.
③
During operation, first search and focus
the sample with a low magnification
objective lens (4x or 10x), and then
change to a high magnification objective
lens for observation as needed.
★
Generally,
rotate
the
objective
nosepiece
clockwise,
and
the
magnification is in the order from low to
high.
5.6 Pupillary distance adjustment
（
Figure 34
）
①
The binocular hinge rotates opposite or
opposite to each other, which can adjust
the pupil distance of the eyepiece,
combine the left and right field of view,
and adjust the height of the exit pupil.
②
Pupillary distance adjustment range:
55 ~ 75mm. The indication point "
·
" on
Figure 33
