4. TROUBLESHOOTING
Optics
(1)The side of
the field of
view is dark or
not even
The nosepiece is not in the right
position
Turn the nosepiece
into the right position
Clean the lens
Stain or dust has accumulated on the
condenser, objective, eyepieces,
base, lens
Symptom
Cause
(2)Stain or
dust is
observed in
the field
of view
Stains have accumulated on the
specimen
Clean the specimen
Clean the lens
Stains have accumulated on the lens
(3)Unclear
image
No cover glass on the specimen slide Add the cover glass
The cover glass is not standard
Use a standard cover
glass with thickness
0.17mm
Remedy
Make it face up
Clean thoroughly
Use immersion oil
Get rid of the air bubble
Use a correct one
Adjust the iris
diaphragm
Clean lens
Adjust the condenser
The specimen faces down
The immersion oil has accumulated
on the dry objective
The immersion oil is not used for oil
objective 100XR
Air bubble in the immersion
Use wrong immersion oil
The aperture is not opened to
correct size
Stains or dust has accumulated on
the lens in the inlet of the head
The condenser is not in the right
position
4)One side of
the field of view
is dark or the
image moves
while focusing
The specimen slide is not fixed
Fix with clips
Turn the nosepiece
into the right position
The nosepiece is not in the right
position
(5)The field of
view is not
bright enough
The iris diaphragm is not bigger
enough
Adjust the iris
diaphragm
(6)The image
color is not true
No filter is used
Use correct filter
Adjust the condenser
Clean lens
The condenser is not in the right
position
Stain or dust has accumulated on the
condenser, objective, eyepieces,
base lens
3
WESTLAB
SUBLIME STEREO
MICROSCOPE,
RECHARGEABLE,
LED
USER MANUAL
CODE 663-541 & 664-090
