22
coarse collimation knob
Image cannot
be focused /
the stage
slides
automatically
/ the coarse
and fine focus
knob slides
Common/
fluorescen
ce
Too loose adjustment of
coarse collimation knob
tightening device
Tighten the loose device of coarse
collimation knob
The coarse
focusing can
not rise all
the time
Common/
fluorescen
ce
The coarse collimation
knob limit device blocks
the stage
Turn on the limit device of coarse
focusing knob
Coarse focus
can never be
reduced
Common/
fluorescen
ce
The condenser frame is
too low
Raise the condenser frame
Before
focusing, the
objective
collides with
the sample
Common/
fluorescen
ce
The sample is upside
down
Install the sample correctly
The field of
view of one
Common
The pupil distance is not
adjusted correctly
Correct adjustment of pupil
distance
Summary of Contents for MF43-N
Page 2: ...Research grade fluorescence microscope MF43 N ...
Page 6: ......