OPTO-EDU A15 0908 Series, Инструкция по эксплуатации

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13
A15.0908 Series
◎
For Reflected Illumination
The changing direction of the aperture diaphragm is
as same as the field diaphragm, adjust its size by the
aperture diaphragm turntable
①
. Adjust the two
aperture diaphragm centering screws ② , to move the
image of aperture diaphragm to the center of the
aperture (See Fig. 27).
◎
For Transmitted Illumination
Change the size of aperture diaphragm by turning the
aperture diaphragm adjusting ring
① . (See Fig. 28).
Use of graduation: Put the N.A. of condenser to the
80% of the N.A
②
of objective.
3-11 Adjust the Analyzer
(1) Insert the analyzer flashboard ① upward into the
socket of the intermediate lens group until to the
innermost, and the analyzer is shifted into the light
path. (See Fig. 29)
(2) Loosen the lock screw
④
, turn the analyzer
turntable ② , to change the vibrated direction of the
analyzer. A grid value of scale is 2°, and the adjusting
range is 360°. When observed orthogonally, the “0”
reticle on turntable
② should be leveled with the “0”
reticle on the vernier
③
. A grid value of vernier is 6 ′ .
3-12 Adjust the Polarizer
◎
For Reflected Illumination
(1) Insert the polarizer flashboard ④ forward into the
socket of illumination system. The polarizer is moved
into the light path until two sounds of “KaDa” is
heard. (See Fig. 29)
◎
For Transmitted Illumination
(1) Turn the polarizer adjusting ring
①
, to adjust the
vibrated direction of the polarizer which is 360°
rotatable. When observed orthogonally, the “0” reticle
on adjusting ring should be leveled with the reticle on
the base. (See Fig. 30)
Fig.29
Fig.30
Fig.27
Fig.28