Optika Italy IM Serie Manuel D'utilisation page 24

5. Using the focus screw of the collector lens ②,
put the image of the arc projected onto the paper.
The light spot must be brighter and sharper as
possible. (Fig. 43)
6. Using the centering screws ③ on the side of the
lamp housing, center the image of the arc. (Fig.
43-44)
7. Using the focusing screw of the collector lens
② enlarge the image until a homogeneous
illumination is achieved. (Fig. 45). At this
point, insert an objective into the optical path
and, looking into the eyepieces, optimize the
illumination always using the screws ② and ③.
8. After replacing the exhausted bulb, reset the
time counter on the power supply by pressing
the "Reset" button ①. (Fig. 46)
Page 24
Fig. 43
Fig. 44
Fig. 45
①
Fig. 46