PROBLEM TO BE SOLVED: To achieve focusing on a side surface of a sample having a cylindrical shape such that an inclination with respect to a focal surface of the side surface of the sample becomes small.;SOLUTION: A microscope system 1 comprises: a laser microscope device 10; a computer 60; and a stage controller 50. The laser microscope device 10 comprises a microscope body 100 having an objective lens 108, and a confocal image of a sample S having a cylindrical shape is acquired. The computer 60 specifies a side surface portion of the sample S included in the confocal image. The stage controller 50 changes a relative position of an optical axis of the objective lens with respect to the sample S in accordance with a difference between a first position in a first confocal image of a first side surface portion specified by the computer 60 on the basis of the first confocal image acquired before changing a distance in an optical axis direction between the sample S and the objective lens 108 and a second position in a second confocal image of a second side surface portion specified by the computer 60 on the basis of the second confocal image acquired after changing the distance.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT
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