High-definition medical endoscopes

A rigid endoscope is often used for applications where access to the inspection area is not very sinuous, such as cranial sinuses, the ear canal, urinary devices, etc. It is coupled to a light source and sometimes a video camera is attached to the lens. It can have a wide-angle lens, which allows for wide framing of close objects. It also offers high-definition images thanks to transmission by optical lenses. The rigid structure of the endoscope is due to the...