Abstract: The invention relates to an image reversion system (500) which enables an image reversion and beam transposition of a plurality of observation beam paths (503a, 503b, 504a and 504b) to be carried out simultaneously. The system includes at least one Porro prism system and is designed in such a way that it can be arranged in a convergent beam path. The inventive system is suitable as an image reversion system in an ancillary module for operational microscopes used in ophthalmoscopy due to the low overall height thereof.

Abstract: Disclosed are an illumination device for an observation device comprising one, two or more observation beam paths with one respective beam of observation rays, especially for an ophthalamogic surgical microscope, and a corresponding observation device. Said illumination device is provided with at least one light source for generating at least one beam of observation rays in order to illuminate an object that is to be observed. According to one embodiment of the invention, at least two partial bundles of illumination rays are provided, each of which extends coaxial to a corresponding beam of observation rays, while the partial beams of illumination rays are embodied so as to form two or several illumination spots on the fundus of an object that is to be observed, e.g.

Abstract: A microscopy system and method provides functionalities for a user which are controllable by the user by displacing a body portion of the user. The functionalities comprise displacing a portion of a support mounting the microscopy optics and adjusting a stereo base for generating stereoscopic representations of an object.

Abstract: Described is a tube (20) for a viewing device (10), particularly for a microscope, the tube (20) having at least one viewing beam path—for example, two viewing beam paths (21, 22). Provided in the at least one viewing beam path is at least one optical tube element. In order to reduce the structural length of the viewing device (10), it is provided for in accordance with the invention that a magnification system (23) for changing the focal depth—for example, a zoom system—is further arranged in the viewing beam path of the tube (20) itself. In the case of several viewing beam paths, a magnification subsystem (24, 25) for changing the focal depth can be arranged, for example, in each of the viewing beam paths (21, 22) of the tube. Further described is a corresponding viewing device (10).

Abstract: The invention concerns an objective (1) for an observation device (10), which comprises a first optical subcomponent (11, 14) on the object side and a second, optical subcomponent (12, 15), whereby the second optical subcomponent (12, 15) is arranged at a distance (d2) to the first optical subcomponent (11, 14) on the optical axis of the objective, and one of the subcomponents (12, 14) possesses a positive refractive power and the other subcomponent (11, 15) possesses a negative refractive power, which is hereby characterized in that the objective (1) has a zooming device. In addition, the invention concerns a microscope, which contains such an objective.

Abstract: A lighting device (40) is described for an observation device (10), in particular for an ophthalmologic operating microscope, as well as such an observation device (10). The lighting device (40) has a light source (41) as well as a number of optical components, which are provided between light source (41) and an objective element (11). The optical components are designed according to the invention in such a way that the imaging of the lighting pupil (43) and the observation pupils is produced on the fundus of the eye (30). In this way, an exactly defined interaction of the lighting beam path (56) with an observation beam path is made possible, whereby practical requirements can be fulfilled relative to the homogeneity of the red reflex with simultaneous sufficiently good contrasting.

Abstract: A microscopy system and method provides functionalities for a user which are controllable by the user by displacing a body portion of the user. The functionalities comprise displacing a portion of a support mounting the microscopy optics and adjusting a stereo base for generating stereoscopic representations of an object.

Abstract: A microscopy system method for inspecting a retina of an eye comprises generating an inverted intermediate image of the retina using an ophtalmoscopic lens; detecting a left image of the intermediate image from a left viewing direction and detecting a right image of the intermediate image from a right viewing direction; and displaying an inverted representation of the detected left image to a right eye of a user and displaying an inverted representation of the detected right image to a left eye of the user.

Abstract: The invention relates to an image reversion system (500) which enables an image reversion and beam transposition of a plurality of observation beam paths (503a, 503b, 504a and 504b) to be carried out simultaneously. The system includes at least one Porro prism system and is designed in such a way that it can be arranged in a convergent beam path. The inventive system is suitable as an image reversion system in an ancillary module for operational microscopes used in ophthalmoscopy due to the low overall height thereof.

Abstract: The invention is directed to a viewing arrangement (1) having a viewing optic (3) for viewing an object (5) along a viewing beam path. The viewing arrangement (1) also has an illuminating apparatus (9) for illuminating the object (5) along an illuminating beam path running segment-wise transversely to the viewing beam path. A beam-shaping illuminating element (15) is mounted in the segment of the illuminating beam path running transversely to the viewing beam path. The illuminating element (15) is asymmetrical relative to the illuminating beam path.