Dummy filter carrier
In the dummy filter carrier there are two openings for the
observation beam paths instead of the barrier filters. The third
path has been closed. Use the dummy filter carrier:
– if you are using less than four sets of filters
– if you are working without the fluorescence illuminator for
periods of up to 15 seconds.
• Donotusethedummyfiltercarriertoblockthelightfromthe
mercury-vapour burner for more than 15 seconds, or it will
heat up. Use the light stop instead.
Light stop
The FLUOIII filter system includes a slot for the light stop. In
phases where the object is to be examined in e.g. transmitted
light instead of under conditions of fluorescence, the light stop
is used to block the illumination beam path so that the mercury-
vapour burner does not have its life shortened by being switched
on and off more than is absolutely necessary (see page 5).
Filter slide
Next to the light stop is a slot accepting a filter slide which
can hold an individually-selectable filter, e.g. a grey filter.
Working without the fluorescence illuminator
▶ Use the light stop to block
the light from the
fluorescence illuminator.
▶ Turn the dummy filter carrier in the observation beam
path so that there is no barrier filter in position which might
cause false colour.
16
Leica MZ10 F
FLUOIII filter system
The filter system consists of a rapid filter changer for the
barrier- and excitation filters and two slots for a light stop and
for a filter slide respectively.
Rapid filter changer
The rapid filter changer of the Leica MZ10 F accepts a total of
four sets of filters. These are inscribed (see table on page 9).
Each filter set consists of two barrier filters for the observation
beam paths and one excitation filter for the illumination beam
path.
To avoid fingerprints on the filters in the filter sets, try to avoid
touching them. If fingerprints do occur, remove them with a
clean lint-free cloth and pure alcohol.
An empty filter carrier is available for individual filter
combinations.
▶ Insert a set of filters into the rapid filter changer so that the
inscription (e.g. GFP) is upright and on the right-hand side.
Make sure that the shape of the filter set follows the shape
of the instrument.
▶ Turn the filter set until it
engages.
▶ Insert a total of four sets of
filters, or insert dummy
filter carriers if the number
is less.
If you use less than four filter sets, you must insert in
the free spaces the dummy filter carriers provided.
If you leave spaces unfilled, you risk eye damage from
direct UV radiation from the third beam path
(see page 5).
(76 pages)
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