Patent ID: 7477723

Claim:
An X-ray fluoroscope, comprising: an X-ray source and an X-ray detector which are arranged to be opposed to each other; a sample stage for fixing a fluoroscopy object, being provided between the X-ray source and the X-ray detector; a driving mechanism for moving and rotating the sample stage relatively with respect to a pair of the X-ray source and the X-ray detector; an optical camera for photographing the fluoroscopy object on the sample stage; a storage section for storing a plurality of optical images of the fluoroscopy object being photographed in advance by the optical camera from a plurality of directions by driving the sample stage; and an optical image display section for, at the time of observation of an X-ray fluoroscopic image, selecting an optical image that is closest to a state of the fluoroscopy object being viewed from an X-ray fluoroscopy direction, from the plurality of optical images stored in the storage section, on the basis of a position and a rotating state of the sample stage, and displaying the selected optical image on a display.