An endoscope apparatus (100) includes image sensors (102a, 102b) that capture an image of a subject, power supply units (108a, 108b) that supply power independently to the image sensors (102a, 102b), a failure detection unit (1141) that detects a failure in each of the image sensors (102a, 102b), and a controller (114) that controls the power supply unit to stop power supply to an image sensor in which a failure is detected at the failure detection unit (1141).
