Olympus CH30 - Using the Microscope Controls; Base Controls and Illumination; Stage and Specimen Handling

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A turning on the Bulb (Fig, 15)
1. Switch the main switch @ to “1” (ON)
2. Turning the light intensity knob @ clockwise in the direction of higher
numbers makes the illumination brighter, and vice versa,
Field Iris Diaphragm (CH40 only) (Fig. 18)
Using the field iris diaphragm dial ©, adjust the diameter of the field
its for objective power to the extent that it just cireumscribes the field
of view. When the field iris diaphragm is stopped down to circum-
scribe the field of view, it will exclude extraneous light and improve
image contrast within the field of view.
+ When using 100X objective, the field iris diaphragm image will
not be visible within the field of view. Accordingly, stop down
the diaphragm to its smallest diameter.
On case of CH30, the field ins diaphragm attachment is mounted on
the light exit glass of the microscope base.
© Specimen Placement (Fiom
+ Releasing the curved finger with great force, or suddenly re-
leasing your grip on the curved finger knob while releasing the
curved finger, will crack or damage the slide glass. Always
release the curved finger with great car
‘Specimen Holder for Single Slides
1. Tüm the coarse adjustment knob @ counterclockwise in the direc-
tion of the arrow to lower the stage.
2. Open the springoaded curved finger @ on the specimen holder and
slide the specimen slide into the specimen holder from the front.
3. After placing the slide as far as it will go, gently release the curved
finger O.
‘Specimen Holder for 2 Specimen Slides
1. Place the first specimen slide as described in steps 1 and 2 above.
Then place the second specimen slide so that it contacts the first
specimen slide,
2. Gently release the curved finger ©.