Leica DM R Serie Mode D'emploi page 23

Condenser top
Screw the condenser top (Fig. 16) onto con-
denser (14.1).
!
Attention:
Move the stage as far upwards as possible with
the coarse drive (42.12 or 44.2). Move the con-
denser holder downwards as far as the stop (12.3).
Securing the condenser
Align the condenser against the horizontal
dovetail guide so that the two centering screws
(12.8) point to the back towards the microscope;
Flip the condenser top to the front (lever 12.9).
Loosen the clamp screw (27.4) and carefully
push the condenser to the back as far as the
stop. Slightly tighten the clamp screw (27.4).
Light rings* and turrets*
For transmitted light darkfield (DF) and phase
contrast (PH) the UCR, UCPR and UCE universal
condensers (Fig. 14) must be equipped with a 5-
or 8-position condenser disc (Fig. 15) with a set
of light rings DF, PH (17.7 and 17.8). Darkfield can
also produced with the special darkfield
condensers (Fig. 53). The 8-position disc with
ICT prisms K is required for transmitted light
interference contrast ICT.
The light rings are normally inserted into the
disc at the factory, so that you can skip the
following assembly instructions. You can tell
that the light rings have been inserted by the
fact that the four annular stops can be seen in
the window when the inner plate is rotated and
that the labels DF, 1, 2, 3 (17.3) appear in the
reading window.
Fig. 17 Fitting the turret plates
1 Upper cover plate with reading window, 2 Lower cover plate
(8-position disc only), 3 Label plates, 4 Turret (8-position in
illustration), 5 ICT prisms K for ICT interference contrast,
6 Quarter- (and/or whole-)wave compensator for polarized
light microscopy, 7 Light ring for darkfield, 8 Light ring for
phase contrast, 9 Adjustment screw(s)
1
5 6
2 3 4
7 8 9
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