Kern OBN 135 handleiding

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Handleiding

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17 OBN-13-BA-e-2511
8.1 Microscope head
First you must loosen the fixing screw on the tube connection point and remove the
black protective cover. You can then insert the round dovetail bracket on the head
into the round dovetail bracket on the housing and fix it with the fixing screw. When
doing this, you should always make sure that you do not touch the lenses with your
bare fingers and that no dust enters the apertures.
8.2 Objectives
The specimen stage must be in its lowest position so that the objectives can be
screwed into the nosepiece. You can then screw the objectives into the nosepiece so
that when you turn the nosepiece in a clockwise direction, the objective with the next
strongest magnification appears. You must make sure that you do not touch the
lenses with your bare fingers and that no dust enters the apertures. For objectives
which are marked “OIL”, you must use an immersion oil with the lowest level of
inherent fluorescence.
8.3 Eyepieces
Eyepieces with the same magnification for both eyes must always be used. These are
simply placed on the tube sockets once the plastic protective caps have been removed.
Care should always be taken to ensure that the lenses are not touched with bare
fingers and that no dust enters the openings.
8.4 Colour filter ( OBN 132 )
A blue colour filter can simply be placed in the ring holder of the field lens.
8.5 Condenser
We recommend that you use the course adjustment knob to bring the specimen stage
to its uppermost position. Use the focus dial of the condenser to move the condenser
holder to the central position. In this way the condenser can be fitted at the right place
in the condenser holder and fixed with the adjusting screw. When doing this, you
should be able to read the scale from the front. You should avoid touching the optical
lenses with bare fingers.
For points 8.6 (polarization unit) and 8.7 (camera connection), see chapter 11
Using optional accessories.

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Productinformatie

MerkKern
ModelOBN 135
CategorieNiet gecategoriseerd
TaalNederlands
Grootte6939 MB