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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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