6
2.
Aperture diaphragm adjustment
Rotating the handle of aperture diaphragm of condenser to adjust diaphragm
size can adjust the contrast of the specimen.
In general, aperture diaphragm can be adjusted to 70% or 80% of objective
exit pupil diameter , will get good image with best contrast.
3.2.4 Adjustment of interpupillary distance and diopter (Fig.3)
1. Adjustment of Interpupillary Distance
Please adjusting binocular tube to make left and right field coincide completely .
▲Interpupillar distance is different for everyone, so interpupillar distance
should be adjusted before using binocular microscope.
2. Adjustment of diopter
As focusing for binocular, user should observe right eyepiece with right eye, and
make the right eyepiece clear by focusing adjustment, then observe the left
Fig.3 Adjustment of interpupillary
distance and diopter
Fig.2
Stage and condenser
Clamps swtich knob
Specimen
Stage
vertical
adjusting
knob
Stage
horizonal
adjusting
knob
Condenser
adjusting
handwheel
Aperture
diaphragm
lever
Diopter
adjusting
ring
Interpupillary
distance dial
Eyepiece
ec
Left side
Right side
