22
High magnification objectives strike the
specimen when changing over
from low to high magnification
Cover glass is too thick
Eyepiece diopter not adjusted
Insufficient parfocality of objectives
Eyepiece diopter not adjusted
No cohesion of binocular image
Magnification or field of view of left and right
eyepieces differ
Interpupillary distance not adjusted
Eyepiece diopter not adjusted
Eye strain or fatigue
Interpupillary distance not adjusted
Diopter adjustment not made
Field of view of left and right eyepiece differ
Inadequate illumination
Electrical
Lamp does not light
Power supply not plugged in
Auto power off function is on. Touch
the intensity control to restore illumination.
Lamp burnt out
desu gnieb ton pmal deificepS ssenthgirb etauqedanI
Lamp blows out immediately
Lamp flickers
Connectors are not securely connected
Specified lamp not being used
Lamp near end of service life
Slide is upside down
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