설명
Medical Microscope
Colposcope – 5 Step Magnifications/Excellent Vision
YZH-5FT
Colposcope: A lighted magnifying instrument used by a gynecologist to examine the tissues of the vagina and the cervix. The procedure is called colposcopy. The colposcope is used by doctors to perform a colposcopy examination. This examination examines the cervix and vagina, and is often used to detect cervical cancer and immunosupression such as HIV infections.
YZH Series Colposcopes adopts infinite microscopic principle, which provides the possibility of extending the function of the instrument. The stereo microscope incorporates converging binocular tubes to allow the natural stereoscopic vision. A 8°-10° convergent optical system gives the most comfortable vision to achieve binocular images.
YZH-5FT Colposcope
Observation angle: 45° tilted
Magnification of eyepiece: 12.5X
Interpupillary distance: 50mm-80mm
Diopter: ±5D
Focal length of objective: F=300mm
Magnification changer: 5-step: 0.4X, 0.6X, 1X, 1.6X, 2.5X
Total Magnification: 1.9X, 2.8X, 4.8X, 7.6X, 12X
Linear field: 90mm, 60mm, 38mm, 24mm, 17mm
Fine focusing distance: 20mm
Balance arm: Counterweight adjustable and can be locked
Illumination: Coaxial illumination with 150W halogen cold light source, brightness adjustable
Light intensity: >15,000lux
Filter: Build-in green filter
Stand: Short column fitted on the round base with 5 jaws
Power supply: AC100V-240V/50-60Hz
Warranty: Comes with 5 Years Manufacturer’s Warranty
Table of specification for YZH Series Colposcope:
Item |
YZH-5FT |
YZH-5FTB |
YZH-5FRB |
Observation angle |
45°Tilted |
From -40°to 80° |
|
Magnification of eyepiece |
18.5X |
12.5X |
|
Focal length of objective |
300mm |
||
Working distance |
285mm |
||
Magnification changer |
5-step magnification change: 0.4x, 0.6x, 1x, 1.6x, 2.5x |
||
Total magnification |
3X-17.7X |
3.3X-20.8X |
|
Beamsplitter |
No |
50:50 Beamsplitter |
|
TV adapter |
No |
C-mount 1/3” CCD camera attachable |
|
Demonstrator |
No |
Optional |
Yes |
Photo adapter |
No |
Optional |
|
Fine focusing distance |
20mm |
||
Filter |
Built in green filter |
||
Balanced arm |
Counterweight adjustable |
||
Illumination system |
21V150W halogen lamp, brightness adjustable |
||
Fiber-optic cable |
1300mm |
||
Stand |
Short column fitted on the round base with 5 jaws |
Table of optical characteristics for YZH series colposcopes
Item |
YZH-5FT & YZH-5FTB |
YZH-5FRB |
||||||||
Focal length of objective |
F=300mm |
F=300mm |
||||||||
Division value on handwheel |
0.4x |
0.6x |
1x |
1.6x |
2.5x |
0.4x |
0.6x |
1x |
1.6x |
2.5x |
Total magnification |
3x |
4.3x |
7x |
11.3x |
17.7x |
3.3x |
5x |
8.3x |
13.3x |
20.8x |
Linear field (mm) |
65 |
50 |
32 |
21 |
13 |
65 |
50 |
32 |
21 |
13 |
Resolution (lp/mm) |
23.6 |
35.4 |
39.7 |
42 |
47.2 |
23.6 |
35.4 |
39.7 |
42 |
47.2 |
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