A microscope system provided by the present invention in which an electronic
camera
is used to pick up an observation image by a microscope, comprising a controlling
section for setting an image pickup operation of an image pickup element in the
electronic camera to an optimum state in accordance with a state of at least one
of an optical system combination for a projection magnification of at least an
objective lens and a photo eyepiece on a microscope side, an observation method,
and lighting conditions.