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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-
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