Olympus X-Tr Repair Manual - Page 20
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10.
Mounting of PM-6
10-1) Lift sliding sleeve as well as possibl
along phototube, and clamp.
10-2) Insert eyepiece PlOX into PM-6, and
attach it on sliding sleeve.
10-3) Apply focusing telescope
to
viewer of
PM-6 and looking through viewer, bring
image into focus on focusing screen.
11.
Focusing of Phototube Objectives
11-1) Bring drum lens 16X into light path,
· and looking through binocular obser-
vation tube, focus on specimen.
11-2) Looking through viewer of PM-6, lower
sliding sleeve along phototube until
concentric circles are focused.
11-3) Check distance from focus of 40X and
6.3X
to
that of 16X, and adjust photo-
tube objective into position for
correct focusing.
11-4) Move drum lens 40X up and down until
focus of 40X and 6.3X is coincided
with that of 16X.
11-5) Move drum lens 25X up and down until
focus of 25X and lOX is coincided with
that of 16X.
11-6) Repeat steps 11-3), 4) and 5) until
adjustment is complete.
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11-3)
Move phototube objective up and
down so that focus of 40X and 6.3X
is in the same direction and
equidistant.
In case focus of 40X is in the
opposite direction
to
that of 6.3X,
lift phototube objective.
11-4)
See steps 4-1) through 4-4).