An operating microscope system (200) for ophthalmology, particularly vitrectomy, is proposed, which comprises an operating microscope (10) with a microscope illumination (15) and a wide-angle device (20) arranged on the objective side in front of the operating microscope (10), the wide-angle device (20) comprising a wide-angle lens (21) arranged on the object side of the wide-angle device (20) and a prism arrangement (22) for righting the image, arranged on the microscope side of the wide-angle lens (21), wherein the wide-angle device (20) comprises an illuminating unit (25) which is arranged so as to illuminate an object (40) arranged in front of the wide-angle lens (21) through the wide-angle lens (21) by means of an illuminating light (29).
