Olympus IX2-DSU BX-DSU - Manual (Page 36)

DETAILS OF EACH OPERATION
/ Adjustment of field iris diaphragm
II. DSU
II . 3 - 1 2 Page
3-12 Adjustment of field iris diaphragm
1. Turn front side turret (1) and insert fluorescent mirror unit desired
into light path.
2. Turn rear side turret and insert reference mirror of No. 1 into light
path.
3. Set objective lens of 10x and set the specimen.
4. Move shutter knob (2) located at lower right side of turret to left
( mark side) to open the shutter.
5. Use coarse/fine handle or, in case of motorized microscope, use
focus handle unit or focusing button on microscope frame to
bring the specimen in focus.
6. Pull out field iris diaphragm lever (3) located at side of
illumination tube and squeeze it to the smallest diameter.
7. Insert the Allen screwdriver that comes as accessory into
centering hole (4) of microscope frame located at side of
illumination tube (2 places) and adjust the axis of field iris
diaphragm image in a way that it comes in the same axis with the
filed of view.
8. Push in field iris diaphragm lever (3) and open field iris
diaphragm until it inscribes the field of view. In case that the axis
is out of center, do centering procedure again.
9. Push in field iris diaphragm lever (3) further and make the
aperture to circumscribe with field of view.
(In case of BX)
(In case of IX)
(1)
(1) (2)
(3)
(4)
(2)