Focusing Block; Focusing Controls ................................................... 17 2 Adjusting The Focus - Olympus BX53 Instructions Manual

5-2 Focusing Block

5
Fig. 21
4
3
1
Fig. 22
2
1
Fig. 23
1
Focusing Controls
The focusing block consists of the controls listed in the following table,
1
which also describes the functions of the controls.
No.
2
1
2
3
4
5
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).
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
17