Olympus BX60 - Diaphragm, Specimen, and Stage Adjustments

BX60
Light Path Selection
(Rg.30)
Fig. 30
Fig. 31
Rdd litt diaphragm lm»g»
/Ey«pi«c« fi«ld at vt«w
Rg. 32
1U-RLBC/U-RLBL)
aid Vertical Illuminator Attaehmant
%^^—'
Select the light path by sliding the cube selector © to tha position
indicating tha desired observation method.
* Make sure that the cube selector is moved all the way to tha
stop position*.
Universal Vertical Illuminator Attachment
IU4JRBCAJ-URBU
Rotate the cube turret to engage the cube for the desired observation
method.
Q Centering the Field Iris Diaphragm <R» 3D
1. Slide the cube selector knob <J) to the BF position.
2. Rotate the revolving nosepiece to engage tha 10X objective, then place
a specimen onto the stage and bring the image into approximetB focus.
3. Pull out the field iris diaphragm knob ® on the vertical illuminator to
where the diameter of the diaphragm a at its smallest
4. Turn the two field iris diaphragm centering knobs® to adjust so that
the image of the diaphragm is centered in the field of view.
5. To check centratkm. open the diaphragm by pushing in the field iris
diaphragm knob (D until the diaphragm image touches the periphery
of the field of view. H the image is not centered precisely, center it
again until so.
6. Further enlarge the field iris diaphragm diameter until Ha image just
circumscribes the field of view.
I Using the Field Iris Diaphragm |
. Reflected light Briphtfield Observation
To obtain good image contrast adjust the diameter of the illuminating
beam in accordance with the objective in use.
Using the field iris diaphragm knob ® on the vertical illuminator, adjust
the diaphragm so that the fiald of view is circumscribed by the field
ins diaphragm in order to exclude stray light
• Reflected Unht DarHiald Observation
Always keep the field iris diaphragm knob @ pushed in to leave the
diaphragm open.
dtl Cantering the Aperture Iris Diaphragm (Figs. 32,33)
1. Slide the cube selector knob © to the BF position.
2. Rotate the revolving nosepiece to engage the 10X objective, than place
a specimen on the stage and bring the image into focus.
3. Remove the eyepieces. Looking through the eyepiece sleeves, pull
out the aperture iris diaphragm knob (3) to leave the diaphragm
approximately 70% open.
4. At this point, if the diaphragm is not centered precisely, center it again
by manipulating the aperture iris diaphragm centering knobs ®.
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