Provided is a microscope apparatus including: a microscope section configured to image a subject's eye with an image sensor for performing magnified observation of the subject's eye; a holding section configured to hold the microscope section; a front lens insertion/removal unit configured to insert/remove a front lens for observing a posterior eye of the subject's eye onto an optical axis of the microscope section; and a control apparatus configured to execute an AF control that focuses the microscope section on an image-forming position of an image of the posterior eye by the front lens when the front lens is inserted onto the optical axis of the microscope section by the front lens insertion/removal unit.