Fiber optic endoscope with portable direct current cold light source Fiber Optic Endoscope Features:It is powered by portable storage battery, by which the head of the speculum is illuminated. And the image observed is transmitted via fiber-optic catheter to the end of the...

Fiber optic endoscope with alternating current cold light source Fiber Optic Endoscope It is much more convenient to observe the objective in the aperture. The opposite Scene can be watched distinctly through the aperture .Features:1. It is powered by alternating current...