Adjusting The Field Diaphragm Of The Transmitted Light Illumination; Using The Field Diaphragm (Fs); Centering Of The Field Diaphragm (Fs) - Olympus BX53M Instructions Manual

3-16 Adjusting the field diaphragm of the transmitted light illumination

a
Do not turn.
48
1
a
2
2
4

Using the field diaphragm (FS)

This function is available only with the microscope frame
(BX53MTRF-S).
1
Turn the field diaphragm ring a to adjust the field diaphragm.
Field
Open to
diaphragm maximum

Centering of the field diaphragm (FS)

This function is available only with the microscope frame
(BX53MTRF-S).
· Do not turn the condenser clamping screw a attached to
NOTE
the back of the centering knob by mistake.
· If you use the condenser attached with the top lens, such
as U-SC3, etc., engage the top lens in the light path and
perform the centering.
1
Select the brightfield observation (BF). For procedures to select the
observation method, see "3-4 Selecting the observation method"
(page 17).
2
Turn the condenser height adjustment knob to raise the condenser
to the upper limit.
3
Turn the nosepiece to engage the 10X objective in the light path and
place the sample on the stage to bring it into focus approximately.
4
Turn the field diaphragm ring in the arrow direction to narrow down
the field diaphragm to within the field of view.
Field diaphragm ring index position
Close to
minimum