Television camera for endoscopes

摘要

A TV camera for endoscopes comprising an image guide fiber bundle, an imaging optical system and an image sensor, used for focusing an image formed on the end surface of the image guide fiber bundle onto the imaging surface of the image sensor by the imaging optical system, and so adapted as to adjust diameter of the circle of confusion on the optimum image plane of the imaging optical system or the position of an image formed by the imaging optical system.