Optika Italy IM-3F Manuel D'instructions page 17

Centering mercury bulb
After turning on the fluorescence power
supply, let the HBO lamp reach the thermal
stability (at least 5 minutes) before pro-
ceeding to the alignment.
Turn the nosepiece to an empty position with-
out objective, and place a piece of white paper
directly on the hole. (Fig.43)
Pull the filter selection lever until the blue filter-
set is inserted into the light path.
Open the field diaphragm completely.
(Fig.44) Adjust the lamp focusing knob
②
tical adjusting screw , horizontal adjusting
③
screw in order to get an image of the bulb
on the white paper, similar to Fig.45 Ⓐ.
(Fig.44) Adjust the focusing screw
back reflecting mirror, horizontal centering
⑤
screw , vertical centering screw
to get an image of the bulb's reflection on the
white paper, similar to Fig.45 Ⓑ.
(Fig.44) Continue to adjust the screws of the
back reflecting mirror until you obtain a sym-
metrical image of the bulb and its reflection,
both very near the center of the light path Fig.
45 Ⓒ.
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①
, ver-
④
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⑥
, in order
Page 17
①
③
Ⓐ Ⓑ
Fig.43
②
⑤
④
⑥
Fig.44
Ⓒ
Fig.45