Nikon LABOPHOT-POL Anleitung Handbuch - Seite 11
Blättern Sie online oder laden Sie pdf Anleitung Handbuch für Mikroskop Nikon LABOPHOT-POL herunter. Nikon LABOPHOT-POL 25 Seiten. Polarizing microscope
Auch für Nikon LABOPHOT-POL: Anleitung Handbuch (24 seiten)
Seite drucken• The re lation between
t
he direction of rota·
tion
o
f the focus knobs and
that
of vertical
movefnent
of
the stage is as ind icated in
Fig. 14.
Torque
adjustment ring
Fine focus knob,
----+l~
=
•
Fig.14
• One rotation of the fine focus knob moves
th
~
stage 0.2mm.
The graduation on
th
is f
o
cus knob is
d ivided into 2,um.
One rotation of the coarse focus knob
moves the stage 4.7mm.
• The range of coarse and fine motion is
within 30mm:
2mm
up and
28mm
down
from the standard post io
n
.
Tension
of
the coarse focus knob tightens
by turning the torq ue adjustment ring
counterclockwise.
Never turn the right or left knob wh ile
holding the other.
2) Condenser aperture diaphragm (A dia
phragm)
(1) Orthoscopic microscopy
• The
condenser
aperture
d
iaph ragm
is
,p
rovided
for
adjusting
the
numerical
aperture (N.A.) of the illuminating system
of microscope.
In general, when it is stopped down to 70
' " "-' 80% of the
n~~-;P;;t-~
re
of the
objective, a good
image of appropriate
contrast will be obtained (F ig. 15)
Size of the condenser ap
• Remove the eyepiece
tube, adjust the
Si78
observing
the
image
which is visible on the
pupil of objective inside
• When swinging out the
denser (for rnicroscopy
objective),
fully
ope
aperture diaphragm.
(2) Conoscopic microscopy
• In conoscopic microsc
aperture diaphragm wo
phragm on the conosc
Stop down the diaph
extent that it circumscr
ence of the field of view
image (exit pupil of ob
the stray light.
3)
Field diaphragm (F diap
•
The field diaphragm is
ing the illuminated are
surface in relation to t
the microscope. Gene
90wn to such an exte
ference of the illumin
scribes that of the eye
[Note]
This diaphragm
the
field
dia
condenser top
of the optical
the diaphragm
to be fully o
numerical ape
nator will be
diaphragm is
down.