30
IX81
Fig. 38
Fig. 39
Fig. 40
4. Hold a phase contrast ring and, while pushing the spring
5
inside
the turret with the edge of the phase contrast ring
6
, insert the ring
completely in the turret position until the ring frame contacts the
bottom of the position. (Fig. 38)
# Be careful not to apply pressure to the ring slit inside the frame.
5. Rotate the optical element centering knobs clockwise to tighten the cen-
tering screws lightly.
# If the optical element centering knobs are attached, the turret is un-
able to be rotated.
# Do not tighten the optical element centering knobs too much, for
this may deform the frames of the optical elements.
6. Place the index
7
provided with each optical element in the index inser-
tion hole having the same number
9
as the number of the position
8
in
which the corresponding optical element is mounted. (Figs. 39 & 40)
}Note that the IX-ULWCD does not have the index.
}The optical element with the number indicated by marking ·
a
is engaged
in the light path. (Fig. 39)
}To remove an optical element index, use the tip of a ballpoint pen or
mechanical pencil.
7. When all of the required optical elements have been mounted, attach
the cover and tighten the detaching screws.
5
6
7
9
a
8