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With 20X eyepiece and 0.3X objective lens:
At the lowest setting of the magnification power knob (
At the highest setting of the magnification power knob (4.5), the total magnification is 20×4.5×0.3= 27X
OPERATION
Turn the On/Off switch to "ON" and adjust the light intensity by turning the adjustment
knob.
Make sure that the eyepieces are installed in the binocular or trinocular head and that the
head is secured in the focusing mount.
Procedures of Focusing and Focusing Tension Adjustments
1.
Set the intended viewing spot of the examination to the center of view field using the
handles (Fig.18).
2.
Use the handles and focusing knob to locate and focus on the surface of the specimen
(Fig. 19).
Fig. 12
), the total magnification is 20×0.67×0.27=3.9X
0.67
Fig. 18 (Articulating arm illustarted)
8
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