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Olympus SZ-III - Page 10

Olympus SZ-III
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PARFOCALITY
ADJUSTMENTS:
The
Olympus
Model
SZ-III
is
designed
to
be
parfocal
in
both
right
and
left
eyepieces
at
all
magnifications
at
the
standard
distance
of
vision
(250mm),
However,
each
person
has
a
different
distance
of
vision
from
the
other.
To
obtain
satisfactory
parfocality
with
the
Model
SZ-III,
follow
the
procedures
described
below
when
focusing
on
the
specimen.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Set
both
(right
and
left)
diopter
rings
at
“O”.
Rotate
the
zoom
control
ring
to
position
“4”.
Focus
the
image
by
means
of
the
focusing
knob.
Rotate
the
zoom
control
ring
to
position
“0.7”.
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.
Once
again
rotate
the
zoom
control
ring
to
position
“4”.
If
the
image
is
still
out
of
focus,
adjust
the
focusing
knob
to
bring
the
image
in
focus.
DO
NOT
perform
focus
adjustment
with
the
diopter
ring(s).
Now
your
Model
SZ-III
has
been
adjusted
to
be
parfocal
at
your
own
distance
of
vision.
Hence,
re-adjustment
of
focus
when
you
switch
from
one
magnification
to
the
other
is
not
necessary.

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