Olympus SZ-III Instructions Manual - Page 10

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Olympus SZ-III Instructions Manual
PARFOCALITY
ADJUSTMENTS
:
The Olympus Model SZ-I11 is designed to de ~ a r f o e a I in both right and left
eyepieces on all magnification settings at the standard distance of distinct vision (250
mm). However, each person has
a
different distance of distinct vision from the other.
TO
obtain satisfactory parfocality with the Model SZ-111, follow the below described
procedures when focusing the image of specimen.
(1)
Set the both (right and left) diopter rings at '0'.
(2) Set the magnification drum at '4'.
(3) Focus the image by means of the focusing knob.
(4)
Set the magnification drum
at
'0.7'.
(5)
If
the image is out of focus, perform focusing by adjusting the diopter ring(s)
......
right or left, or both, as required.
DO
NOT
perform focus adjustment with the focusing knob.
(6) Once again set the magnification drum at
'4'.
If
the imagc is still out of focus, adjust the diopter ring(s) (right or left, or
both) to bring the image in focus.
DO
NOT
perform focus adjustment with the focusing knob.
(7) Now your Model SZ-I11 has been adjusted to be parfacal at your own distance
of distinct vision. Hence, re-adjustment of microscope when you switch from
one magnification to the other is not necessary.