R-4106.A
AOJUSTMENT
1.
Depnmion Prism
Unit
(ER-tube}
1)
Moving
lens chamber
G)
(
,~
and @ inside
),
rnake
the
displacernent within a range
of
2 lines
in
the
Kellner
eyepiece.
2)
If
the center displacement cannot
be
corrected
by
rnoving
charnber
G),
rnake
adjustment
of
prism §
as
below:
a) Vertical direction
As
shown
in
Fig.
32, insert pieces
of
silver
foil
(0.05rnrn thick)
at
A
and
B,
to cause the
rnovement corresponding to about l
O tines.
~
.
G3
Fig.
33
b)
La
tera! direction
As
shown
in
Fig.
33, insert pieces
of
silver
foi!
(O.
l
mm
thick) at C
and
D,
to cause the
rnovement corresponding to about
10
lines.
Eyepiece sc:ilc
D
Fig.
34
3) After adjustment, fasten
§ with plastic screw and apply
No.
2001
and
No.
350.
-42
-
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