Olympus BX53 Інструкція з експлуатації - Сторінка 21

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5-2 Focusing Block

Fig. 21

Fig. 22

Fig. 23

Focusing Controls

The focusing block consists of the controls listed in the following table,

which also describes the functions of the controls.

No.

Adjusting the Focus

With both the coarse adjustment knob @ and fine adjustment knob 2,

rotating the knob in the direction of the arrow raises the stage (lets the

specimen approach the objective).

Name

Coarse adjustment

Moves the focus position widely.

knob

Fine adjustment dial Fine adjusts the focus position.

Fine adjustment

Fine adjusts the focus position. This knob

knob

can be attached to the fine adjustment

dial on either the left or right side. (When

the microscope is shipped, it is attached

to the right-side dial.)

Pre-focusing lever

Sets the upper limit of the stage position

(to prevent contact between the speci-

men and objective).

Tension adjustment

Adjusts the force required to rotate the

ring

coarse adjustment knob.

BX53

Function