PROBLEM TO BE SOLVED: To provide a stirring micro object observation device capable of suppressing a reflectance of a stirring blade or a stirring probe at the imaging time and an image degradation caused by reflection light of illumination by the stirring blade or the stirring prove and the reflectance of the scattered light and capable of suppressing a blurred image caused by the movement of an observation object to the minimum possible limit.;SOLUTION: A stirring micro object observation device includes: imaging means for imaging a micro object contained in the liquid stirred inside a vessel from the bottom of the vessel toward an inner part direction of the vessel; irradiation means for irradiating an inner part of the vessel; positional information detection means for detecting a position of the stirring blade or a stirring probe used for stirring the liquid and rotationally moving; and means for determining an imaging period based on the positional information of the stirring blade or the stirring probe detected by the positional information detection means.;SELECTED DRAWING: None;COPYRIGHT: (C)2018,JPO&INPIT
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