121
HC FSA 25 PE
Binocular observation and photo tube, viewing
angle 30
°
, with provision for optical overlay for
documentation of transparencies (slide overlay
device) or opaque macro objects (macro de-
vice).
3 clickstop positions of the beamsplitter in the
tube:
Switch rod
Observation
Photo
VIS
100 %
0 %
50/50
1
50 %
50 %
PHOTO
11
0 %
100 %
Possible applications of the condensers for the Leica DM IRB
Illumination
Condenser
Diaphragms/
Condenser
Diaphragms/
Condenser
Diaphragms/
technique
0.30 S70 objective
accessories
0.53 S23 objective
accessories
0.90 S1 objective
accessories
Brightfield
2.5x – 40x
–
5x – 100x
–
10x – 100x
●
–
Phaco
5x
PH 0 S70
5x
PH 0 S23
–
–
10x, 20x
PH 1 S70
10x, 20x
PH 1 S23
10x, 20x
PH 1 S1
40x
PH 2 S70
40x, 63x
PH 2 S23
40x, 63x
PH 2 S2
–
–
100x
PH 3 S23
100x
PH 3 S3
Interference
ICT
ICT
ICT
contrast
10x – 40x
device
10x – 100x
device
10x – 100x
J
device
Pol contrast
2.5x – 40x
Pol device
5x – 100x
Pol device
10x – 100x
●
Pol device
Darkfield
–
–
5x –␣ n. a. 0.40
3 S23
10x –␣ n. a. 0.75
D S1
J
100 x for maximum resolution also possible with condenser top P 1.40 OIL S1
Light ring 3 S23 serves as DF diaphragm
●
For maximum resolution there is also a condenser top P 1.40 OIL S1
Condenser performance data
Condenser 0.30 S70
Without height adjustment, as the fixed focus
concept of this condenser guarantees optimal
matching of light and phase rings for liquid
levels up to 60 mm. FWD (free working distance)
70 mm. For brightfield (HF), phase contrast (PH,
Phaco), transmitted light interference contrast
(ICT) and polarisation contrast up to 40x ob-
jective magnification in each case.
Condensers 0.53 S23 and 0.90 S1
The condenser has a slide changer, height
adjustment and centration facility for setting
Koehler illumination. The holder holds the base
part of the condenser, which can be fitted with
condenser tops 0.53 S23, 0.90 S1 or P 1.40 OIL S1
to suit the particular application.
