Inverted microscope and inverted microscope system

An inverted microscope system comprising:

• an immersion objective lens;
• a medium container which is disposed above the immersion objective lens with a gap, wherein the medium container has a bottom surface facing the immersion objective lens and having a transparent portion;
• a first immersion medium retained between the immersion objective lens and the bottom surface of the medium container;
• a second immersion medium stored in the medium container;
• a sample container including a plurality of sample containing portions, each of the plurality of sample containing portions being configured to accommodate a sample, and each of the plurality of sample containing portions having a transparent portion at least in a part of a bottom surface thereof;
• and
• a movable stage which supports the sample container in the medium container such that a gap is provided between the bottom surface of the medium container and the bottom surfaces of the sample containing portions, and which moves the sample container in a horizontal direction relative to the medium container, wherein the sample containing portions are arranged along a moving direction in which the sample container is moved relative to the medium container by the movable stage.