Olympus CX33 Talimatlar Kılavuzu - Sayfa 18

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Selecting the objective

Hold the revolving nosepiece a and rotate it so that the intended

objective comes exactly above the specimen.

· Do not rotate the revolving nosepiece by holding the

NOTE

objective.

· Be careful if you rotate the revolving nosepiece while

observing the edge of the slide glass with the high

magnification objective (40X, etc.), the objective may

interfere with the specimen holder.

For attaching and removing the objectives, see page 29.

TIP

Rotate the coarse focusing knob a in clockwise direction (arrow

direction) facing the microscope from right side to move the objective

c to the specimen as close as possible.

While observing the specimen through the eyepieces, slowly rotate

the coarse focusing knob a in the direction opposite to the arrow

to lower the stage.

When the specimen comes into view, rotate the fine focusing knob

b to bring the specimen into focus precisely.

Adjusting the tension of the coarse focusing knob

The tension of the coarse focusing knob can be adjusted.

Insert a commercially-available flathead screwdriver into the groove c of

the tension adjustment ring. Rotating it clockwise (arrow direction) increases

the tension and counterclockwise decreases the tension of the coarse

focusing knob a .

If the stage descends by its own weight or the focus obtained

TIP

with the fine focusing knob b is lost soon, the tension is set

too loose. In this case, rotate the tension adjustment ring in

the arrow direction to increase the tension.