Olympus BX43 Manuel d'instructions - Page 20

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Olympus BX43 Manuel d'instructions

5-2 Focusing Block

5
4
3
2
16
1
2
Fig. 18
1
Fig. 19
1
Fig. 20
1

Focusing Controls

The focusing block consists of the controls listed in the following table,
which also describes the functions of the controls.
No.
Name
1
Coarse adjustment
knob
2
Fine adjustment dial Fine adjusts the focus position.
3
Fine adjustment
knob
4
Pre-focusing lever
5
Tension adjustment
ring
2

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).
Function
Moves the focus position widely.
Fine adjusts the focus position.
This 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.)
Sets the upper limit of the stage position
(to prevent contact between the speci-
men and objective).
Adjusts the force required to rotate the
coarse adjustment knob.