Filter
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R-4106.A
AOJUSTMENT
2. Binocular Body
2.
Binocular Body
Follow the sarne procedure for B-tube, F-tube, ER-tube and UW-tube.
To the depression prism unit, whose adjustment has been
completed,
attach
central axle
e@)
(@
for UW-tube
).
2-1.
Positioning
of
prisms @
and@
1) Insert the crosshair eyepiece into tefteye sleeve @
(@),
and move the test plate to bring
its
center
into
coincidence with the center
of
crosshair.
2)
~ove
the righteye
tube.
3) See the displacement
of
the test plate image in the lefthand eyepiece.
4)
No
displacement
will
take place, so far
as
the prisms are in the specified positions.
5)
If
the image moves vertically, raise prisms
@ and @ in
the
direction
of
the
arrow in Fig.
34.
1
1
)
6)
The movement
is
to
be within a
half
~
division
of
the
tines
on
the test plate.
\\\
7)
If
a lateral displacement
is
over one
division, replace prisms
@ and
@.
8)
Tighten plastic set screw @
e@
),
Fig. 35
using a
wooden
handle
~rew
driver
2-2.
Adjustment
of
righteye interpupillary distance changing axle
1)
Insert
the
crosshair eyepiece into the righteye sleeve, and bring the
center
of
the crosshair
into
coincidence with
that
of
the test plate.
2) Moving the righthand
tube,
change the position
of
sleeve metal @
(@)
(with eyepiece)
to bring
the
center
of
the crosshair to the position, where the image does
not
move.
3)
.
Lock
screw @
(@:g)
).
-44-