Olympus VMT Instrukcja obsługi - Strona 6
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V.
OPERATION
The stage plates fit into the circular opening in the base. The clear plate can be used for
both reflected and transmitted illumination.
Colored background can be achieved
by
placing suitable material beneath the plate, for contrast, etc. The frosted plate is used
with reflected illumination. The plate is frosted white on one side, and black on the
other.
If the specimen is white or brightly colored, use the black side of the plate to
increase image contrast
by
darkening the background. For dark or black specimens, reverse
the plate with the white frosted side facing the objective.
1. Tension Adjustment of Focusing Knobs
This focusing mechanism makes its motion freely
adjustable
for
either
heavy or light movement
depending on the observer's preference. To adjust
the tension hold the two focusing knobs with both
hands and slightly rotate them in the opposite
directions, at the same time.
(Fig. 1)
2.
Specimen on the Stage Plate
Place a specimen in the center of the stage plate and
clamp it with the stage clips, if necessary. (Fig. 2)
3. Interpupillary Distance Adjustment
Hold the right and left eyepiece tubes with both
hands and push or pull the tubes in the arrow
directions until perfect binocular vision is obtained.
(Fig. 3)
4. Diopter Adjustment
Fig. 1
Fig. 2
a) Looking through the right eyepiece with your right eye, focus on the specimen with
the focusing knobs.
NOTE: In case of the Model VMT or Model VMZ. ascertain that the high magnification
objectives are used for this adjustment.
b) Look at the image through the left eyepiece with your left eye, and rotate the diopter
adjustment ring
CD
to focus on the specimen, without using the focusing knobs. (Fig. 4)
Fig. 3
NOTE:
If accurate interpupillary distance and diopter adjustments are not accom-
plished, prolonged observation would put considerable strain on the observer's
eyes.
Fig. 4
4