Olimpus CKX41 Instruction Manual page 26

Trouble
f ) One side of image is blurred.
2. Electrical System
a) The bulb flickers and the brightness
is unstable.
3. Focusing
a) The coarse adjustment knob is too
difficult to rotate.
b) The image goes out of focus dur-
ing observation.
4. Observation Tube
a) The field of view of one eye does
not match that of the other.
5. Photomicrography
a) The image is out of focus.
b) The image periphery is blurred uni-
formly.
c) Image cannot be focused sharply.
d) The window or fluorescent lamp in
the room is photographed.
22
Cause
The revolving nosepiece is not correctly
engaged.
The specimen is not correctly mounted
on the stage.
The optical performances (profile irregu-
larity, etc.) of the culture vessel bottom
plate are poor.
The line voltage fluctuates.
The bulb is nearly burned out.
The power cord is not corrected securely. Correct it securely.
The tension adjustment ring is tightened
too much.
The tension adjustment ring is loosened
too much.
Incorrect interpupillary distance adjustment. Adjust the interpupillary distance.
Incorrect diopter adjustment.
Your view is not accustomed to micro-
scope observation.
Poor focusing.
If you are using an achromatic objective,
this type of objective cannot bring edges
into sharp focus.
The correction collar is not adjusted.
The stray light entered through the eye-
pieces or viewfinder is reflected.
Remedy
Make sure that the revolving nosepiece
clicks properly into place.
Place it correctly on the stage.
Use a vessel with a good profile irregu-
larity characteristic.
Use a voltage stabilizer.
Replace the bulb.
Loosen it appropriately.
Tighten it appropriately.
Adjust the diopter.
Upon looking into eyepieces, try looking
at the overall field before concentrating
on the specimen range. You may also
find it helpful to look up and into distance
for a moment before looking into the
microscope again.
Adjust focusing so that the double
crosslines and specimen look clearly
defined.
Blurriness is unavoidable.
Adjust the correction collar according
to the bottom thickness and material
of the vessel.
Cap both the eyepieces and the pho-
tomicrographic system's viewfinder.
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