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Tube performance data
Tube changing is the same as for the upright
microscopes.
The tubes are interchangeable.
Binocular tube HCI B22
The binocular tube consists of a basic part with
the tube change ring at the bottom. The tube
lens has the factor 1x. The Siedentopf binocular
part allows adjustment of the interpupillary
distance from 55 mm to 75 mm. The viewing an-
gle is 45°. The tube has adjustable eyepiece
tubes for mechanical compensation of the
tube length when the interpupillary distance
changes. It allows a field of view index of 22.
Binocular ergotube HCI BV22
Like HCI B22, but with variable viewing angle of
15°␣–␣30°.
Fig.␣ 94␣ ␣ HCI B22, Binocular tube with 45° viewing angle, field
of view index up to 22, eyepiece diameter 30 mm for HC PLAN
10x/20 or 22 eyepieces, interpupillary distance setting:
55 – 75 mm
1 Clamp screw, 2 Tube port, 3 Siedentopf binocular part
Fig.␣ 96␣ ␣ HCI BV22, ergo binocular tube with 15°–50° viewing
angle, field of view index up to 22, eyepiece diameter 30 mm
for HC PLAN 10x/20 or 22 eyepieces, interpupillary distance
setting: 55 – 75 mm
1 Clamp screw, 2 Tube port, 3 Siedentopf binocular part
1
2
3
1
5
2
4
3
1
3
2
Fig.␣ 95␣ ␣ HCI 3T22, Trinocular tube, 45° viewing angle,
Light path: 100% vis – switch rod
150 %–50% – switch rod
100% –photo– switch rod
Field of view index up to 22, eyepiece diameter 30 mm for HC
PLAN 10x/20 or 22 eyepieces, interpupillary distance setting:
55 – 75 mm
1 Clamp screw, 2 Tube port, 3 Siedentopf binocular part,
4 Photo/TV exit, 5 Switch rod