19
COMMON PROBLEMS IN MICROSCOPY
If you have a problem, you may be able to correct it yourself. Here are a
few common problems and easy solutions you may want to try before
calling for service.
CAUTION
– Never disassemble, electrical, mechanical or optical
components. This servicing should only be done by an authorized Swift
technician. The Limited Lifetime Warranty will be null and void if
disassembled by a non-Swift dealer.
A.
PROBLEM -
Ima
ge appears “washed out” or weak
CORRECTION -
1. Slowly close the iris diaphragm.
2. Objective lens is dirty. See
“Care and Cleaning” Section
3. Eyepiece is dirty.
See “Care and Cleaning” Section
B.
PROBLEM -
Hairs or dust seem to be moving in the image
CORRECTION -
The iris diaphragm is not open wide enough. Slowly
open the iris diaphragm to increase the size of the opening allowing
for additional illumination.
C.
PROBLEM -
Unable to bring specimen into focus with any objective
CORRECTION -
Eye lens of the eyepiece is partially unscrewed.
Remove the eyepiece and screw the two sections together.
D.
PROBLEM -
Image of the specimen goes out of the focus all by itself.
CORRECTION
– Increase the focus tension by turning the tension
knob found next to the left coarse focus knob.
E.
PROBLEM
– Focusing knobs turn with difficulty even with tension
knob loosened.
CORRECTION -
Microscope should be disassembled by qualified,
authorized repairman, cleaned and re-lubricated.
