PROBLEM TO BE SOLVED: To provide a miniature scope that can be easily inserted into a small place and has an objective part capable of adjusting the direction and range of an illumination light.SOLUTION: The miniature scope includes: a light guide fiber 16 emitting an illumination light and having a plurality of optical fibers and an objective optical system 27. The miniature scope further includes an objective part 3 having an end part of the light guide fiber 16 and the objective optical system 27. An end part of the objective part 3 has a taper becoming thinner in the direction of the top end, which is also formed in at least a part of a light emitting end surface of the light guide fiber 16.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT
