 YDJ Series Colposcope are precise optical instruments designed specially for the gynecologic examination and diagnosis. Due to the magnification of the instrument, the pathological changes in the vagina, which is impossibly viewed with naked eyes, can be clearly seen with the instrument. Therefore, the correctness of diagnosis is enhanced significantly. YDJ series Colposcope are featured for the sharp images, wide fied of view, uniform ill umination, adjustable brightness and easy operation. They are the essential instruments for gynecologic examination.
Table of Specification for Series YDJ Colposcope:
|
Item |
YDJ II |
YDJ II-1 |
YDJ I-3 |
YDJ I-2 |
YDJ I-1 |
|
Obervation angle |
45°tilted binocular obervation unit |
|
Magnification of eyepiece |
16 X |
|
Focal length of objective |
F=230mm & 280mm
(connecting screw: M58x0.75) |
F=280mm
(connecting screw: M578x0.75) |
|
Working distance |
215mm & 260mm |
265mm |
|
Magnification changer |
0.4X, 0.66X, 1X, 1.5X, 2.5X
5-step Magnification change |
No |
|
Total Magnification |
2.9X-21.7X
|
11X |
|
Linear field |
11mm-84mm |
24mm |
|
Beamsplitter |
50:50 Beamsplitter |
No |
|
Demonstrator |
Total magnification: 2.1X-16.4X |
Optional |
|
TV adapter |
CCD: C-mount 1/3"CCD attachable |
No |
|
Photo adapter |
Optional |
No |
|
Fine focusing distance |
20mm |
60mm |
20mm |
|
Balanced arm |
Counterweight adjustable |
No |
Counterweight adjustable |
|
Illumination system |
Coasial illumination with cold ligh source fiber-optic cable, 12V100W halogen lamp, brightness adjustable |
|
Filter |
Green filter with frame, to be fitted on the objective when it is used. |
|
Fiber-optic cable |
1300mm |
|
Stand |
Short column fitted on the round base with 5 jaws and a round counterweight ring |
Column height adjustable fitted on the round base with 3 jaws |
Short column fitted on the round base with 5 jaws | Table of Optical Characteristics for YDJ II & YDJ II-1
|
Item |
Microscopre |
Demonstrator |
|
Objective focal length |
F=230mm |
F=280mm |
F=230mm |
F=280mm |
|
Magnification on the handwheel |
2.5X |
1.5X |
1X |
0.66X |
0.4X |
2.5X |
1.5X |
1X |
0.66X |
0.4X |
2.5X |
1.5X |
1X |
0.66X |
0.4X |
2.5X |
1.5X |
1X |
0.66X |
0.4X |
|
Total Magnification |
21.7X |
13.2X |
8.7X |
5.7X |
3.5X |
17.8X |
10.8X |
7.1X |
4.7X |
2.9X |
16.4X |
10X |
6.5X |
4.3X |
2.6X |
13.4X |
8.2X |
5.4X |
3.5X |
2.1X |
|
Linear field |
11 |
18.2 |
27.6 |
42.1 |
69 |
13.4 |
22 |
33.6 |
51.1 |
84 |
11.6 |
19 |
29 |
44.1 |
72.5 |
14.1 |
23.1 |
35.4 |
53.7 |
88.3 |
|
Resoltion |
86 |
68 |
52 |
35 |
27 |
80 |
63 |
42 |
31 |
22.3 |
76 |
60 |
32.6 |
28 |
25 |
68.5 |
49 |
33 |
27 |
25 | |
