Patent attributes
The invention provides an examination apparatus including an objective optical system for positioning a focal point inside a specimen mounted on a stage; an image-acquisition apparatus for detecting light emitted in different optical-axis directions from the vicinity of the focal point inside the specimen and collected by the objective optical system to acquire a plurality of pieces of image information; and a three-dimensional image forming unit for forming a three-dimensional image of a light-emitting site in the vicinity of the focal point based on the plurality of pieces of image information acquired by the image-acquiring apparatus.