Bresser Junior 40x-2000x Bedienungsanleitung Seite 12

Here are the parts of your microscope
1 10x WF Eyepiece
2 25x WF Eyepiece
3 2x Barlow Lens
4 Eyepiece supports
5 Microscope Head with locking screw
6 Objective Nosepiece
7 Objective
8 Clips
9 Microscope Stage
10 LED Illumination (transmitted light)
11 Microscope Base
12 Selection switch for Illumination
13 Dimmer for Illumination
14 Battery compartment
15 Focus knob
16 Color Filter wheel
17 LED Illumination (reflected light)
18 Slides, Cover Sips and Prepared Specimens
plastic box
19 Specimens:
a) Yeast
b) Sea Salt
c) Shrimp Eggs
d) Empty Bottle
20 Specimen slicer
21 Hatchery
22 Tweezers
23 Dissecting needle
24 Dissecting knife
25 Pipette
26 Container
27 Smartphone holder
12
How do I use my microscope?
Before you assemble your microscope, make
sure that the table, desk or whatever surface
that you want to place it on is stable, and does
not wobble.
How do I operate the electric LED
illumination?
In the base of the mi-
croscope there is a
battery compartment
(14).

screw at the battery
compartment
with a small Philips
screwdriver and re-
move the cover.
Place the batteries in the compartment so that
the flat minus poles (-) press against the spring
terminal and the plus poles (+) are touching the
flat contact sheets.
Close the battery compartment with the cover
and turn the microscope around again.
The first lamp shines onto the specimen from
below and the second from above. (The thing
that you want to observe with the microscope is
called the object or specimen, by the way.) You
can use each lamp on its own. There is a selec-
tion switch for this (12). It has two numbers: I
and II. If you select the ...


For transparent objects (transmitted-light ob-
jects), number I is best. In order to observe firm,
Loosen the
non-transparent objects (direct-light objects),
select number II.
cover
With the dimmer (13) you can adjust the bright-
ness of the illumination.
When do I use the color filters?
The color filter wheel (16) is located below the
microscope stage (9). They help you when you
are observing very bright or clear specimens.
Here, you can choose from various colors. This
helps you better recognize the components of
colorless or transparent objects (e.g. grains of
starch, protozoa).
I, the light only
comes from be-
low (transmitted
light).
II, the light only
comes from
above (reflected
light).