6
SUMMARY OF POLARIZED LIGHT OBSERVATION
PROCEDURE
}This chapter describes the procedure for polarized light observation using the U-PA intermediate tube for polarizing
observation. For the procedure using the U-OPA or U-KPA, refer to the instruction manual for the intermediate tube in use.
*
The operations marked
*
are not required when the U-CTAD centering adapter for objective lens is not used.
(Controls Used)
(Page)
Set the main switch to “ I ” (ON).
Disengage the Bertrand’s lens.
Disengage the analyzer.
Place the specimen on the stage.
Engage the reference objective in the light path.
Bring the specimen into focus.
Adjust the brightness.
Adjust the interpupillary distance.
Adjust the diopter.
Adjust the analyzer and polarizer oscillation directions.
Center the reference objective.
Center the stage.
Center other objectives.
Center the field iris diaphragm.
Engage the objective to be used in the light
path, engage the analyzer and/or Bertrand’s
lens according to the purpose of observation,
and bring the specimen into focus.
Start observation.
1
Main switch
(P. 8)
2
Light intensity adjustment knob
(P. 8)
3
Bertrand’s lens engaging/focusing knob (P. 11)
4
Analyzer engaging/rotation knob
(P. 11)
5
Specimen holder
6
Revolving nosepiece
7
Coarse/fine focus adjustment knobs
(P. 9)
2
Light intensity adjustment knob
(P. 8)
8
Binocular tube
(P. 9)
9
Diopter adjustment ring
(P. 9)
4
Analyzer engaging/rotation knob
(P. 11)
a
Polarizer rotation knob
(P. 15)
b
Objective centering screws
(P. 17)
c
Stage centering knob
(P. 16)
d
Field iris diaphragm ring
(P. 8)
e
Condenser height adjustment knob (P. 13)
f
Condenser centering knob
(P. 13)
b
Objective centering screws
(P. 17)
6
Revolving nosepiece
4
Analyzer engaging/rotation knob
(P. 11)
3
Bertrand’s lens engaging/focusing knob (P. 11)
7
Coarse/fine focus adjustment knobs (P. 9)
Adjust the aperture and field iris diaphragms.
g
Aperture iris diaphragm lever
(P.13)
d
Field iris diaphragm ring
(P. 8)
Engage the required filters.
h
Filter holder
(P. 8)
Adjust the brightness.
2
Light intensity adjustment knob
(P. 8)
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*