| 摘要 |
An electronic endoscope is provided that has a new structure for realizing easy and accurate acquisition of detailed image information over a large region. An electronic endoscope 1 comprises: an outer shell that is formed in a tube shape and whose peripheral wall is provided with a transparent cylindrical part 13c extending in an axial direction; a solid-state imaging device 23 provided inside the outer shell; an objective optical system that includes an objective lens 17 for focusing object light through the window part and that forms an image onto the solid-state imaging device; and a drive mechanism that causes at least the objective lens in the objective optical system to move along an axis of the outer shell. |
