26
Further examples:
0/4/4
Fov 25 only possible if tube is adapted directly to
microscope stand (height index of intermediate
modules therefore 0), providing suitable objec-
tives are used.
Fov 22 and 20 can be used up to height index 4,
e. g. with the fluorescence device. The addition
of further module would not be admissible; a
solution to the problem would be a tube with the
following parameters:
4/5/7
Fov 25 is possible up to height index 4 (e. g.
2 Ergomodules L 2/25 or magnification changer).
Fov 22 is possible up to height index 5, 20 is
possible up to height index 7, e. g. illuminator
plus magnification changer.
–/–/7
The tube allows fields of view up to
20
mm. Fov
22 and 25 not possible.
If intermediate modules are used, the sum of
their height values must not be higher than
7
.
Never exceed the value 7 for the sum of height
indices!
Tubes from the DM R range (Fig. 37): Always
fov 25, the fov is limited by the tube adapter
HC L/R 4/25 here.
Table of tubes
Binocular tube HC LB 0/3/4 and HC LBP 0/3/4
Binocular tube with image erection
Trinocular tube HC L1T 4/5/7 and HC L1TP 4/5/7
Trinocular tube
with 3 switching positions HC L3TP 4/5/7
Ergotube, binocular HC LVB 0/4/4
Ergophototube, trinocular HC L1VT 0/4/4
The abbrevations mean:
L
= DM L system
M, B, T = mono-, bino-, trinocular tube
V
= variable viewing angle 0 – 35
°
P
= tube with orientation for Pol eyepieces
DM R tubes incl. adapter HC R/L 4/5/7
further details
→
p. 48.
Condenser illumination
Any type of condenser can only illuminate a
certain maximum object field diameter. If the
objective magnification is too low, the edge of
the image is insufficiently illuminated. The range
of possible objective magnifications is shown in
the following table:
Smallest/largest objective magnification with
Leica condensers CL/PH/UCL, CLP, PH/UCLP
Eyepiece fov 20 and 22
4x to 100x
Eyepiece fov 25
5x to 100x
with auxiliary 2.5x lens
(
→
p. 13, 33), UCL/UCLP
condensers only:
Eyepiece fov 20, 22 and 25
2.5x to 20x
Содержание DMLS
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