Leica DM4000B Manuel D’Utilisation

40

• Insert the centering key through the corre-

sponding openings (44.1) in the condenser
holder.

• Turn the centering screws until the dark ring

(phase ring in the objective) is congruent with
the slightly narrower bright ring (light ring in
condenser) (43 c).

• Repeat the process for all other phase con-

trast objectives.

• Remove the centering keys after the centering

procedure.

During change of objectives the centering keys
must not remain in the openings of the
condenser.

Light ring centering

1 Clamping screw

1