DESCRIPTION OF THE INSTRUMENT
Carl Zeiss
Control and functional elements on optional components
Axio Lab.A1
40 430037-7144-001
04/2013
Binocular ergo tube/ergo photo tube 20°/23
and ergo photo tube 15°/23, each with
continuous vertical adjustment
These ergo photo tubes are designed for field of
view of 23. For use on the Axio Lab.A1 they are
recommended for max. field of view of 22. The
viewing angle is 20° or 15°.
Ergo tubes are continuously vertically adjustable in
the range 0 mm to 44 mm.
In addition an even greater adjustment range can
be used (depending on interpupillary distance) by
swiveling the binocular section from the lower to
the upper observation position.
Continuous height adjustment is achieved by
means of the rotary knobs (Fig. 2-12/
1
and
Fig. 2-13/
1
).
The adjustment range of the ergo photo
tube 20°/23 can be read off the lateral scale
(Fig. 2-12/
3
).
The
ergo photo tube 20°/23
has two switch
positions (Graduation: 100:0/0:100).
Push-pull rod (Fig. 2-12/
2
) pushed in: 100 %
to the eyepieces.
Push-pull rod(Fig. 2-12/
2
) pulled out: 100 %
to camera port.
The
ergo photo tube 15°/23
(Fig. 2-13) is only
available with an upright image and fixed
graduation (50:50).
The binocular part of the ergo photo tube 15°/23
is also continuously horizontally retractable up to
50 mm.
Fig. 2-12
Binocular ergo photo tube 20°/23
with vertical adjustment
Fig. 2-13
Binocular ergo photo tube 15°/23,
telescopic with vertical adjustment