Optika B-510 Serie Manual De Instrucciones página 50

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. 89)
6. Using the centering screws ③ on the side of the lamp
housing, center the image of the arc. (Fig. 89-90)
7. Using the focusing screw of the collector lens ② enlarge the
image until a homogeneous illumination is achieved. (Fig.
91). 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 ④. (Fig. 92)
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F ig. 89 F ig. 89
F ig. 90 F ig. 90
F F ig. 91 ig. 91
④
F ig. 92 F ig. 92