38
Fig. 28
Transmitted light controls (in this example: UCL
condenser)
1
Analyser slot,
2
Fastening of object holder,
→
Fig. 15,
3
Hole
for centering key* (UCL condenser,
→
Fig. 9.3),
4
Condenser
height adjustment (bilateral control),
5
Adjustable condenser
height stop,
6
Torque adjustment, focusing,
7
Coarse focusing,
8
Fine focusing, (two-step*
↔
),
9
Mains switch and pilot
lamp,
10
Field diaphragm*,
11
Brightness control,
12
Mount
for IC prisms and compensators (tube slit),
13
Clamp screw
for stage rotation,
14
Aperture diaphragm,
15
Condenser
disc*,
→
Fig. 9,
16a, b
Condenser centration,
17
Stage height
stop,
18
x, y stage movement
Fig. 29
Koehler illumination
a
Field diaphragm not focused, not centered,
b
Field
diaphragm focused, but not centered,
c
Field diaphragm
focused and centered, but diameter too small,
d
Field
diameter = field of view diameter (Koehler illumination)
a
b
c
d
1
2
9
8
7
6
5
10
11
16b
16a
15
14
13
12
17 18
3
4
Содержание DM L
Страница 1: ...Leica DM L Instructions...