If a booster lens is included in the scope of deliv-
ery, insert it into the rear stand opening at the left
or right, depending on the stand model.
The booster slide has several positions:
1. Slide pulled out:
no effect
2. Depending on orientation of slide:
a) symbol
visible:
•
center orientation
The intensity of the fl uorescence is
increased by 50% in the center of the
fi eld of view (approx. 30% of the fi eld).
b) symbol
visible:
The overall intensity is reduced by
25%. The entire fi eld of view is evenly
illuminated, however.
Fig. 55
Booster lens
Fig. 56
Booster lens in stand
1
Booster lens
Fig. 57
Hg-mercury burner
6. Assembly
1
47