Condenser Ukl; Darkfiled Condensers D 0.80 And D 1.19 - LEITZ LABORLUX S Instructions Manual

Condenser UKL
Its performance fea tures in brightfJeld are the same as those of
the condenser no . 56.
The annular slOPS necessary for phase co ntrast or darklield illu­
mination are situated in a turret plate (9.4) for q uick chaoge .
Position "H"
(9.3)
of the turre t is for brightfleld (Hellfeld)
inves tigations . Posit io ns I, 2 and 3 accommodate the ann ular
SlOPS PHACO 1, 2 and 3. These can be aligned to th e phase ring
of the objecti ve in li se by pushing in the two centring screws
(9. 2). Position 4 is occupied by an a nnular stop fo r darkf.eJd
wi th object ives from
lOx
to
40x.
The wheel (9.5) is for adjusting the aperture diaphragm, on ly
necessary for brightfield investigations. It is fully opened for
phase contrast or darkfield (PH position).
F ig.
9 UKL
condense r
1
Adj ustmen t telesco pe for ct: ntring the annular stops
2
Cen tring sc rews (press io to use)
3
Turret pl ate pos iti on indi cation
4
Tu rret
plate
5
Adjust ment wheel wi th scale fo r ape rt ure diaphragm
Darkfield condensers 00.80 and D!.l9
The condenser
D 0.80
is intended for darkfleld in vestigations
with
lOx
to
40x
objectives. Image co ntr as t is optimised he re as
compared with the da rkfieJd produced with annular stops.
The co nde nser D 1.19 has an oil imme rsion cap and is used
toge th e r with oil immersion object iv es. The darkfield conden­
ser caps are also availab le without bottom parts and can be
screwed onto the bottom part of th e LK condenser.
Fig . 10 Darkfield objective and funnel stop
J
Co ndensertop D 0.80 - 0.95 S I. J
2
Oil co ndenser top
D 1. 19 - 1.44
3
Lower pari of cond ense r with dovetail guid e
4
Special darkfi eld objecti ve
EF 100/ 1. 25 -0.60
Oel wilh built-in iri s
diaphragm
5
Knurled ring for adju stm ent oflhe iri s diaphragm
6 Funn el slop for th e oil immersion objec tive
9