601989 zoom stereo microscopes with built-in coaxial illumination，is the first high-performance microscope type which can be completely replaced import product in China. It is characterized by illumination over the whole field, non-flash in focusing course, large depth of fields. It can be used for observation micro-surface in integrated circuit, metal parts, semiconductor etc.
Main technology Specifications：
Technical data：
|
Eyepiece |
Objective
|
Main body |
With 0.5X objective |
With 0.7X objective |
With 1.5X objective |
With 2X objective |
|
1X~6.5X |
0.5X~3.3X |
0.7X~4.6X |
1.5X~9.8X |
2X~13X |
||
|
5X |
Total magnification |
5X~32.5X |
2.5X~16.3X |
3.5X~22.8X |
7.5X~48.8X |
10X~65X |
|
Diameter of visual field(mm) |
Φ23~Φ3.5 |
Φ46~Φ7 |
Φ32.9~Φ5 |
Φ15.3~Φ2.3 |
Φ11.5~Φ1.8 |
|
|
10X |
Total magnification |
10X~65X |
5X~32.5X |
7X~46X |
15X~98X |
20X~130X |
|
Diameter of visual field(mm) |
Φ23~Φ3.5 |
Φ46~Φ7 |
Φ32.9~Φ5 |
Φ15.3~Φ2.3 |
Φ11.5~Φ1.8 |
|
|
15X |
Total magnification |
15X~97.5X |
7.5X~48.8X |
10.5X~69X |
22.5X~147X |
30X~195X |
|
Diameter of visual field(mm) |
Φ17~Φ2.6 |
Φ34~Φ5.2 |
Φ24.3~Φ3.7 |
Φ11.3~Φ1.7 |
Φ8.5~Φ1.3 |
|
|
20X |
Total magnification |
20X~130X |
10X~65X |
14X~92X |
30X~196X |
40X~260X |
|
Diameter of visual field(mm) |
Φ14~Φ2.2 |
Φ28~Φ4.2 |
Φ20~Φ3.1 |
Φ9.3~Φ1.4 |
Φ7~Φ1.1 |
|
|
30X |
Total magnification |
30X~195X |
15X~97.5X |
21X~138X |
45X~294X |
60X~390X |
|
Diameter of visual field(mm) |
Φ9~Φ1.4 |
Φ18~Φ2.7 |
Φ12.9~Φ2 |
Φ6~Φ0.9 |
Φ4.5~Φ0.7 |
|
|
Working distance(mm) |
118 |
195 |
145 |
50 |
35 |
|
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