Provided are a phase contrast microscope, a phase contrast microscope control apparatus, and a phase contrast microscope control method capable of eliminating an optical influence on a phase contrast image by an observation object. A phase contrast microscope (100) according to the present technology includes a phase ring (110), an aperture ring (106), and a condenser lens (107). The aperture ring (106) is movable in a first direction (Z direction) relative to the phase ring (110). The condenser lens (107) is movable relative to the phase ring (110) in the first direction (Z direction) independently of the aperture ring (106).
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