
13
SZX7
Problem Cause Remedy Page
1. The left and right fields of view
do not coincide.
Interpupillary distance is adjusted
improperly.
Adjust it correctly. 6
The parallax is not corrected. Adjust it correctly. 7
The left and right eyepieces are
different.
Use eyepieces with the same
magnifications for the left and right
by replacing one of them.
3
2. The edge of the field of view
is obscured or not evenly
illuminated.
The aperture iris diaphragm is stopped
down (when the SZX-AS is used).
Open the aperture iris diaphragm. 20
The binocular tube and/or intermediate
attachment are installed improperly.
Install them properly. 17
The light path selector knob is in an
intermediate position. (SZX2-TR30)
Set it properly. 9
3. Dirt or dust is visible in the
field of view.
Dirt/dust on specimen. Clean thoroughly. 2
Dirt/dust on eyepieces.
4. Details of observed image are
solid.
The aperture iris diaphragm is stopped
down (when the SZX-AS is used).
Open the aperture iris diaphragm. 20
5. Visibility of observed image is
poor.
· Image is not sharp.
· Contrast is poor.
The objective is tilted. Screw it in correctly until it stops. 17
The objective is dirty. Clean thoroughly.
2
The top and/or bottom lenses of the
microscope body are dirty.
The bottom lens of the observation
tube is dirty.
6. Zooming causes defocusing
of the observed image.
The eyepiece diopter is adjusted
improperly.
Adjust it correctly. 7
The focus adjustment is inaccurate. Adjust the focus accurately. 7
7. The focus adjustment knob
does not rotate smoothly.
The rotation tension of the knob is set
too high.
Decrease the rotation tension to
an optimum level. 6
8. The microscope body drops
spontaneously, causing the
focusing to be deviated during
observation.
The rotation tension of the knob is set
too low.
Increase the rotation tension to an
optimum level. 6
5Troubleshooting
Under certain conditions, performance of the microscope may be adversely affected by factors other than defects.
If problems occur, please review the following list and take remedial action as needed. If you cannot solve the problem
after checking the entire list, please contact Olympus.
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