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Leica M-series User Manual 78
Adjusting
1. Set the dioptric correction for both
eyepieces to "0".
2. Select the lowest magnification and focus
on a flat specimen.
3. Select the highest magnification and read-
just the sharpness.
4. Select the lowest magnification again, but
do not look into the eyepieces.
6. Rotate the eyepieces counterclockwise
in the "+" direction as far as they will go
(+5 diopter settings).
Leica stereomicroscopes are parfocally matched.
The prerequisite for this is the correct setting of
the diopters and the parfocality. The following
adjustments only have to be carried out once
by each user.
Preparations
Move the lever of the video/phototube to
ρ
the "observation" position and open the
diaphragm.
If you are using the microscope carrier AX,
ρ
set it to stereoscopic observation.
7. Look into the eyepieces.
8. Slowly rotate each eyepiece individually
in the "–" direction until each eye sees the
object sharply imaged.
9. Select the highest magnification and
refocus if necessary.
Now, if you adjust the magnification from the
lowest to the highest level, the specimen is
always brought into sharp focus. If not, repeat
the process.
Dioptric Correction and Parfocality