Accessories
Tubes
Assembly
•
All
accessory
tubes
whi
ch
fit between t
he
optics carrier
and
50
the binocular tube are fitted
in
the
same
manner
.
•
In
the
dovetail
ring
of
the
optics carrier is a locating screw
whi
ch
must
engage
the
notch
in
the
accessory
(page
35)
.
This
is best
accompl
i
shed
by
moving
the
accesso
ry slightly
from
side
to
side.
11-
Release
the
clamping
screw.
~
,
_
11-
Insert
the
accessory
tube
into
the
dove-
tail ring
in
the
same
man
n
er
as
the
binoc-
ular tube
(page
35)
and
move
it slightly
from
side
to
side
until
the
locating screw
engages
the
notch
.
11-
Ret
i
ghten
the
clamping
screw.
11-
Fit
the
binocular tu
be
on
the
accessory
tube
in
the
same
manner
.
Double-iris
diaphragm
A double-i
ris
diaphragm
is built into
the
MZ16
and
MZ16
A. it
is
operated
by
means
of
a knurled
ring.
A
separate
double-iris
diaphragm
is
available
as
accessory for
the
other instr
uments
.
The
double-iris
diaphragm
for MS5-MZ12s
can
be
inserted
between
optics carrier
and
binocular
tube
or
video/phototube.
Set
the
lever
to
OPEN
:
The
double-iris
dia
ph
ragm
(aperture
diaphragm)
is
open.
The
depth
of
field
in
c
reases
as
the
lever
is
moved
from
OPEN
to
1.
Remember
,
however,
that
-
br
i
ghtness
decreases,
so
exposu
re times
become
longer
- resolution deteriorates.
L
eica
M Stereom croscopes - Accessories
Drawing
Drawing
tube
•
The
drawing
tube
is
for
both
left-handers
and
right-handers.
Fit
the
mirror
on
the
left-hand
or
right-hand
side
of
the
optics
carrier.
11-
Fitthe drawi
ng
tube
between optics car-
~
-
··
~
·.
rier
and
binocular
tube
as
described
on
..
~
.
•
·•·
•
.·
· ,
page
50.
·
'"'
'
11-
Place
a sheet
of
paper
beneath
the
mirror.
11-
Use
a table
lamp
to illuminate
the
paper.
11>
Move
the
l
ever
to
the
circle.
11>
Look
into
the
binocular tube, positi
on
the
object,
and
focus
on
it.
11>
Move
the
lever
to
the
black
spot.
11-
Look
into
the
binocular
tube
and
balance
the
brightness
so
that
the
object,
the
drawing surface
and
the
pencil
are
all
seen
together.
•
In
general, the
paper
needs
to
be
illuminated strongly, but
the
object
only
weakly.
11>
Move
the
lens
mount
of
the
drawing tube forwards
or
back-
wards until
the
drawing
su
rface
is
sharp
ly
imaged.
11>
Now
you
can
draw
the
feature.
• If
you
pl
ace
a
graduated
scale
beneath
the object
and
draw
its
intervals
as
well,
you
can
easily determine
the
image
scale
on
the
paper.
Discussion
tube
At
the discussion t
ube
two observers
see
the
same
erect,
laterally-correct, three-di
mens
ional
image
.
The
assemb
ly
and
use
of
the
discussion tube
are
described in
the
separate
user
manua
l
M2-263-0.
Leica M Stereomic
ros
c
ope
s-
Accessori
es
51
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