MX61/MX61L
22
15
(Figs. 31 to 34)
Centering the Reflected Light
Aperture Iris Diaphragm
Fig. 31
@
…
†
Aperture iris diaphragm image
1. Set the light path selector knob @ to “BF”. (Fig. 31)
2. Press the objective switching button ³ or | (or switch the objective from
the hand switch or computer), engage the 10X objective in the light path,
and bring the specimen into approximate focus.
# To facilitate observation of the aperture iris diaphragm image, it is
recommended to use a highly reflective specimen such as a mirror.
3. Remove the eyepiece and, while looking into the eyepiece sleeve, press
the aperture iris diaphragm open/close button ƒ so that the aperture iris
diaphragm image is visible. (Fig. 34)
4. If the center of the aperture iris diaphragm is deviated, use the Allen
screwdriver provided with the microscope to loosen (by 1 turn or 2) the
aperture iris diaphragm clamping screw ². Then insert the Allen screw-
driver into the aperture iris diaphragm centering screws …† and turn the
screws to center it.
5. Tighten the aperture iris diaphragm clamping screw ².
Fig. 32
ƒ
³
|
Fig. 33
70%
30%
Fig. 34
²
