14
Preconditions
fm
working
comfortably
Ergonomics,
viewing
height
•
Pay
great attention when setting
up
you
r stereomicroscope.
You
wi
ll
only benefit fully from the outstanding
op
tical
and
ergonomic advantages of the instrument if
you
set it
up
precisely
in
accordance with
the
directions already
given.
•
For
fatigue-free work,
use
the ErgoModule™.
•
Arrange your workplace
as
well
as
possible,
and
pay
attention
to
the heights of chair
and
table.
• When sitting,
use
the entire seat
area
and
also
the
back
support of the chair.
• Support your forearms.
• During work
breaks,
stand
up
and
move
arou
nd for exercise .
Please
also
observe
the
note
on
p.
7.
Ergonomics
The
reasons why
users
often cannot work comfortably with
the
45
° tube
are
the differing heights
of
the outfits, the various
accessories
and
working distances,
and
the fact that
the
same
ins
trument
is
often
used
by
several
people
of
differing
builds.
This
problem
can
be
effectively
solved
by
using
the
Leica
ErgoModule™.
Viewing
height,
viewing
angle
If
you
have
problems with
the
viewing configuration
on
your
stereomicroscope,
ask
your
Leica
consultant for the most
ergonomic
Leica
so
lutions.
The
viewing height
is
correct when your
head
and
back
are
comfortably positioned.
•
On
the
Ergo
Tube™,
the viewing
angle
is
adjustable from
10
°-
50
°.
lliJ>
Holding
the
eyep
i
ece
tubes
at
their
bases,
swi
ng
them
up
or
down
(see
arrow).
.
.,
,
,
~0
'
"
~
10°
Lei
ca M
Ste
r
eomi
crosco
pes
-
Op
era
tion
ErgoModule™
-
ErgoWedge™
5° -
25
°
-
ErgoWedge™
±
15
°
- ErgoModule™
50
mm
-
The
Ergo
Tube™
45°
has
eyepiece tubes wh
ich
are
65
mm
longer than the standard
ones.
Magnification factor 1.6
x.
MZ16
A:
The
magnificati
on
factor
can
be
toggled
on
and
off
using
the
OPT
key.
- ErgoModule™
30
-
120
mm
Relubrication
may
be
required
after several years (please
send
the
item
to
Le
i
ca
Service).
Ergo
objective
The
achromatic
Ergo
objective
0.4
x-0.63x
can
be
used
to
ergonomical
ly
and
accurately focus
in
the
range
of
90
mm
(63
.
5-153
.5
mm)
without changing
the
viewing height. At the
same
time, magnification
and
working distance
can
be
changed without time-consuming change of objectives.
Motor
focus
Frequently repeated fine-motor tasks,
such
as
focusing
by
hand
,
can
lead
to
muscle
fatigue
and
hand
problems.
Us
i
ng
the
Leica
motor focusing
system,
every equipment
can
be
moved
up
and
down without applying force.
Interpupillary
distance,
eye
contact
Interpupillary
distance
The
interpupillary distance
is
correct
when
you
see
a single circular field when
viewi
ng
wi
th
both
eyes.
~
76mm
~
lliJ>
Look
into
the
eyepieces
and
use
bo
th
hands
to
move
the
eyepiece tub
es
closer
together
or
further apart.
Locating
the
exit
pupil
The
distance between
eye
and
eyepiece measures approx.
22
mm
for
10
x
/21
B wide-field eyepieces for persons we a
ring
gl
a
sses
and
12
mm
for
10
x
/21
wide-fi
eld
eyepieces.
your
eyes
un
til
you
can
see
the
complete
~
im
a
ge
field without corner cutting.
lliJ>
Slowly approach
the
eyepieces with
!I
~
~
.
"'
'f:?
"'
l
'
Yf
Leic
a M
St
ereom
icroscopes -
Oper
at
ion
15
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