Leica DM4000B User Manual

49

EDT22 tube:
The beam splitting between the observation and
documentation outputs has a definite presetting
(50:50).

BDT25+ tube:
The beam splitting is set manually by pulling out
a control bar.

Control Bar

Observation

Photo

VIS

100 %

0 %

50/50

1

50 %

50 %

PHOTO

11

0 %

100 %

MBDT25+ tube:
This tube is similar to the documentation tube
BDT25+, but it is motorized.
The control positions are selected using a vari-
able function key on the stand.

HC L 2TU tube:
The beam splitting is set manually by pulling out
a control bar.

Control Bar

Observation

Photo

VIS

100 %

0 %

PHOTO

11

0 %

100 %

The eyepiece’s aperture protector must be
removed,or at least folded back, during
microscopy while wearing eyeglasses.
Eyeglasses with multifocal lenses (bifocals and
smooth view glasses) must be removed while
operating the microscope.

• For the adjustable tubes with documentation

output, choose the 100% position.

• Focus the reticle by adjusting the eyelens.

• Focus on the object through this eyepiece.

• Then, close that eye and focus on the

specimen by adjusting only the second
ocular.

• With your right eye, look through the right

eyepiece and bring the specimen into sharp
focus.

• Then, with your left eye, view the same speci-

men and rotate the left eyepiece tube until
the object is brought into sharp focus. Do not
use the focus dial.

BDT25+ tube with digital camera

1 Control bar

1