Olympus X-Tr Посібник з ремонту - Сторінка 12
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2-9)
Remove right and left eyepiece tubes.
2-10) Place right and left covers AA4902
&
AA4903 .•
2-11) Mount right and left eyepiece tubes.
2-12) Again confirm centration of optical
axes.
3.
Adjustment of Click Spring
3-1) Set drum lens 16X into position, insert
eyepiece with cross hairs GlOX into
right eyepiece tube, and coincide centers
of concentric circles and cross hairs.
3-2) By changing drum lens magnification
to
40X and then to 6.3X, check movement of
image in north-south direction.
a. In case that image moves upward
(north direction) at 40X, and
downward (south direction) at 6.3X
in conjuction with 16X drum lens,
loosen screw that affixes click
spring, and move click spring
closer to you slightly, until images
at 40X and 6.3X are almost equidis-
tant from center (16X).
b. In case that 40X image is downward,
and 6.3X upward, reverse click
spring until these images are almost
equidistant from center (16X).
- 10 -
2-8)
e.
Take care that when eyepiece tubes
are mounted, left eyepiece tube is
apt to deviate from center, which
requires re-centration.
2-12)
Even though prism
housing is rotated,
center of cross
hairs should not
depart from center
of concentric
circles.
3-2) a.
X
Image
center
(40X)
X
(16X)
x (6.3X)
Click
moves
0
·0
closer to you.
Lox
xl6X
x6.3X
t
Image
centers
get
closer
to that
of 16X.