10
4. Specification
4.1
Zoom ratio:
1
：
4.5
4.2
Objective magnification:
1
×～
4.5
×
4.3
Binocular viewing head: Inclined at 45, interpupillary distance range: 55
～
75mm
4.4 Working distance: 97mm
4.5
Illumination system: Adjustable illumination for both LEDs (top and bottom)
Auxiliary
objective
Working
distance
(mm)
Eyepiece
10
×
Field of view 20
15
×
Field of view 16
20
×
Field of view 12
Magnification
Actual
field
Magnification
Actual
field
Magnification
Actual
field
No
97 10-45
×
Φ
20-
Φ
4.4
15-67.5
×
Φ
16-
Φ
3.56
20-90
×
Φ
12-
Φ
2.67
0.7
5×
120 7.5-33.75
×
Φ
26.7-
Φ
5.9
11.25-50.625
×
Φ
21.3-
Φ
4.74
15-67.5
×
Φ
16
Φ
3.56
2×
30 20-90
×
Φ
10-
Φ
2.2
30-135
×
Φ
8-
Φ
1.78
40-180
×
Φ
6-
Φ
1.33
5. Troubleshooting
Under certain conditions, performance of this unit may be adversely affected by factors other
than defects. If a problem occurs, please review the following list and take remedial action as needed.
If you cannot solve the problem after checking the entire list, please contact your local franchiser for
assistance.
PROBLEM CAUSE
SOLUTION
PAGE
1
．
Incomplete binocular
vision.
Interpupillary distance is
not correctly adjusted.
Adjust it correctly
8
Diopter adjustment is
incomplete.
Complete diopter
adjustment
2
．
Dirt is visible in field of
view
Dirt on specimen
Clean specimen
3
Dirt on eyepiece
Clean eyepiece
3
．
The visibility of the Dust on objective front
Clean lens surface
