Nikon LABOPHOT2-POL Instructions Manual page 18

III. MICROSCOPY
Table 1
Orthoscopic microscopy Conoscopic microscopy
10 x or
IN
Top lens of higher
condenser 4x or
IN
lower
OUT
Bertrand lens OUT IN
lOx or
70%~80%
of the
Circumscribed the
Aperture higher
numerical aperture
circumference of the
of the objective
diaphragm
4x or
Fully opened
conoscoplc field of view
lower (or fully opened)
10x or
Circumscribed the
Circumference of the
Circumscribed the
higher
Field diaphragm
eyepiece field of view
circumference of the
4x or
lower
Fully opened orthoscopic field of view
Note 1
Manipulate the condenser centering screws if part of the
viewfield is dark. If this doesn't help, check the following
items:
elnsertion/removal of the ND
filter
eTurning the revolving
nosepiece (click-stop position)
e Position of the condenser
eViewfield and aperture
diaphragms fully open
e Change-over of the optical
path of the eyepiece tube
e Mounting the lamp
e Mounting the condenser
e Placing the filter on the filter
receptacle
III. MICROSC;:OPY-5)
III. MICROSCOPY-6)
III. MICROSCOPY-B)
III. MICROSCOPy-g)
III. MICROSCOPY-ll)
II. ASSEMBLY-CZ)
Lamp and Lamp
Housing
II. ASSEMBLY-@
Condenser
II. ASSEMBLY-@
Filter on the Filter
Receptacle
Note 2
Check the following items when the specimen cannot be
focused.
e Placing the specimen III. MICROSCOPY-7)
eThickness of the cover glass (standard =0. 17mm)
16