25
3.3.1. Detailed assembly procedure
1
Attaching the condenser
II
I
III
Illustration 002: NIB610/NIB620 - Attaching the condensor.
Loosen the condenser set screw (I).Align the
condenser (II) with the condenser holder (III).
The labelling points to the front, the condens-
er set screw is on the right.
Slide the condenser horizontally into the
condenser holder. Fix the condenser by tight-
ening the condenser set screw.
NIB610/NIB620
2
Inserting the phase contrast slider
A
Illustration 003: NIB610/NIB620 - Inserting the phase contrast slider.
With the universal phase contrast slider (I)
phase contrast and bright field observa-
tion is possible. The slider matches with the
10x/20x/40x phase contrast objectives. Po-
sitions without ring diaphragm can be used
for bright field observation.
Insert the phase contrast slider (I) into the cor-
responding slot of the condenser (II).
B
Make sure that the phase contrast slider
is always fully aligned in the light path. An
audible "click" indicates the phase contrast
slider and the optical axis position are accurate.
You can insert the phase contrast
slider from either side of the condenser.
10-20-40
Positions without ring diaphragm
II
I
3
Mounting the mechanical stage
Recesses of the mechanical
stage holder
I
IV
II
III
Illustration 004: NIB610/NIB620 - Mounting the mechanical stage.
At the beginning, make sure that the
ruler of the table (A) is not extended.
Slide the mechanical stage (I) over the mechan-
ical stage holder (II) and align the stage with
the markings (III). There are two set screws (IV)
underneath the mechanical stage. Insert these
screws into the recesses of the mechanical
stage holder and screw the stage tight.
3
4
I
A
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