Optika Italy B-1000 Serie Mode D'emploi page 36

Image appears to waver
Field of view becomes only slightly
brighter when the voltage is raised
II. Mechanical Section:
Coarse adjustment knob is hard to turn Tension adjustment ring is tightened
Stage drifts down by itself or focus is
lost during observation
Coarse adjustment will not go all the
way up
Coarse adjustment will not go all the
way down
Image shifts when you touch stage
Specimen stops midway on the X axis
movement
III. Electrical Section:
LED doesn't turn on
Brightness is not enough
Light blinks
IV. Observation tube:
Field of view of one eye does not match
that of the other
V. Microphotography:
Image edge is unfocused
Bright spots appear on the image
Nosepiece is not corrected mounted
Objective is not correctly engaged in
light path
Condenser/reflected field diaphragm
are not properly centered
Condenser/reflected field diaphragm
are not properly centered.
Condenser is lowered too far
excessively
You are trying to raise stage while fo-
cus-lock lever is kept locked
Tension adjustment ring is too loose
Focus-lock lever is locked at a too low
height
Condenser holder is too low
Stage is not properly mounted
Specimen is not correctly positioned
Power supply not connected
Brightness setting is too low
Power supply not well connected
Interpupillary distance is incorrect
Incorrect diopter adjustment
Your view is not accustomed to micro-
scope observation
To a certain extent it is due to achro-
matic objectives features
Stray light entering in the microscope
through eyepieces or camera view-
finder
Page 36
Push slide dovetail all the way until it
is stopped
Make sure that revolving nosepiece
clicks into place correctly
Center the condenser/field diaphragm
properly
Center the condenser/field diaphragm
properly
Adjust the condenser height position
Loose ring.
Unlock focus-lock lever
Tighten ring
Unlock focus-lock lever
Raise condenser holder
Clamp stage
Place specimen correctly
Check for proper connection
Adjust brightness
Check for proper connection
Adjust interpupillary distance
Adjust diopter
Upon looking into eyepieces, try look-
ing at overall field before concentrating
on specimen range. You may also find
it helpful to look up and into distance
for a moment before looking back into
microscope
To minimize the problem, set the aper-
ture diaphragm in a proper position
Cover eyepieces and viewfinder with a
dark cloth