Standard 25
ICS
B 40-029 e 01/98
4-7
Problem
Cause
Remedy
Low resolving power and poor
image contrast
Aperture diaphragm opening not
set correctly.
Set aperture diaphragm opening
in accordance with the 2/3 rule or
depending on the specimen
features, see page 3-5.
Condenser not focused correctly
and condenser lens 0.9 not
switched correctly.
Focus condenser and set
condenser lens 0.9 correctly or
switch it off, see pages 3-4, 3-5.
Wrong cover slip thickness for
0.17 transmitted light objectives
Use the correct 0.17 mm cover
slips
Use of no or unspecified
immersion oil with CZ immersion
objectives
Use CZ immersion oil 518 N, see
page 4-10.
Air bubbles in the immersion oil
Apply oil again to remove the
bubbles.
Immersion oil at the front lens of a
dry objective
Clean the front lens of the dry
objective, see page 4-3.
Corr. Ring is not set to the correct
cover slip thickness
Set the corr. ring to the correct
thickness, see page 1-6.
Dirt or dust on the optical surfaces
of objectives, eyepieces,
condensers or filters
Clean the appropriate
components, see page 4-3
Image aberration
Condenser not set correctly.
Set condenser correctly, see pages
3-4, 3-5
Nosepiece not correctly switched
to stop position
Correctly click-stop nosepiece
Specimen is not fixed on the
mechanical stage
Correctly set specimen in
specimen holder and fix it.
Great focus differences after
objective change
Focusing eyepieces are not set
correctly.
Set focusing eyepieces to the
appropriate ametropia, s. page 2-5
Summary of Contents for Standard 25 ICS
Page 1: ...Standard 25 ICS Transmitted Light Microscope Operating Manual...
Page 22: ...Standard 25 ICS 2 2 B 40 029 e 01 98...
Page 30: ...Standard 25 ICS 3 2 B 40 029 e 01 98...
Page 46: ...Standard 25 ICS 4 2 B 40 029 e 01 98...
Page 56: ...Standard 25 ICS 4 12 B 40 029 e 01 98...
Page 58: ...Standard 25 ICS A 2 B 40 029 e 01 98...
Page 61: ...Click below to find more Mipaper at www lcis com tw Mipaper at www lcis com tw...