Olympus X-Tr Reparatur-Handbuch - Seite 13
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3-3) Ascertain that 25X and lOX images are
coincided to 16X
i~ge
by steps above.
4.
Focusing of Drum Lenses in the Right Field of View
4-1) Rotate drum to position 16X, insert eye- 4-1)
piece GlOX into right eyepiece tube, and
Use eyepiece GlOX
(f=25~and
focus with focusing telescope.
4-2) Check deviation direction of focus at
40X and 6.3X in comparison with 16X.
a. In case focus is "below" at 6.3X in
comparison with 16X, move prism P2
forward until focuses of 40X and
6.3X are in the same direction and
equidistant.
b. In case focus is "below'' with drum
lens 6.3X, move prism P2 forward
until focuses of 40X and 6.3X are in
the same direction and equidistant.
4-3) Coincide focus of 40X and 6.3X to that
of 16X.
a. If focus of 6.3X is above that of
focusing telescope should be
matched for focusing with this
eyepiece.
If microscope main body has to be
moved upward with focusing knobs
to obtain correct focus, this
state is called "focus is above":
on the contrary, if main body has
to be lowered, it is called "focus
is below''.
4-2) a.
16X, lift 40X drum lens (LA4174), by 4-2) b.
rotating two setscrews counterclock-
wise equally.
b. If focus of 40X is below that of 16X,
lower 40X drum lens by rotating two
setscrews clockwise equally.
4-4) Coincide focus of 25X and lOX to that
of 16X.
- ll -
P2 moves
in this
direction.