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.