M46 Microscope Operation Instructions
9
Fein
If the handle is heavy when using the coarse
focus or the specimen moves out of focus, it
may be necessary to tighten the focus knob
tension. This can be done by rotating the tension
adjustment ring (1) according to the arrows.
1
After the image is clear in the right eyepiece,
observe the specimen through the left eyepiece
with the left eye. If the image is not in focus,
rotate the diopter adjustment ring (1) until the
image is clear. There are +/-5 diopters on the
diopter adjustment ring with the value aligned
with the scale of your eye’s diopter. The dot “.“
on the left side can also indicate the setting.
When using the diopter adjustable eyepiece, first
set the eyepiece diopter to zero. The eyepiece
diopter can continue to be adjusted while
operating the microscope to achieve a clear
image.
Loosen
Lock
1
Adjust the interpupillary distance by holding
the base of the eyepiece on the left and right
and pull them up or down to adjust to your
sitting position. Hold the base of the eyepieces
and rotate them around the axis to adjust the
interpupillary distance until there is one field of
view and comfortable for observation.