Abstract: An adjustable stand having a first spindle, a second spindle and a flange for connection to and positioning of an optical observation instrument. Positioning of the instrument relative to the stand is maintained by a torque compensation device respectively arranged with at least one of the spindles to compensate against torque caused by the mass and positioning of the instrument and spindles. Each torque compensation device includes a brake for securing the spindle, a spring, a motor for adjusting the spring tension, and a motor controller which includes a transmission device with a transmission ratio deviating from 1:1 and which is positioned between the spring and the spindle. The motor controller controls the spring tension by selectively rotating the motor based on instructions from a control unit, which receives signals from a spindle-position sensor and a spring-tension sensor and automatically provides counter-torque rotational movement instructions to the motor controller.

Abstract: The present invention provides an optical stereo device with an autofocus feature as well as a corresponding autofocus method for optical stereo devices. The optical stereo device has imaging means configured to provide a stereo image of an object of interest by means of combining a right eye image and a left eye image and a control unit operatively connected to the imaging means and configured to receive the right eye image and the left eye image and to adjust the focus position of the imaging means.

Abstract: The invention relates to an adjustable stand for an optical observation instrument, in particular for a surgical microscope, with a tilt spindle 1 and with a swivel spindle 2 for the optical observation instrument and with a flange 4 for connection to the optical observation instrument or a further member of the adjustable stand, wherein, on at least one of the two spindles 1, 2, a first torque compensation device is arranged, which has a first brake 13 for securing the spindle 1, 2, and which has a first spring 11 which is connected to a first motor 12 for adjusting the spring tension of the first spring 11, and the first motor 12 is connected to a first motor controller, and which has a first torque transmission device 14 which is formed between the first spring 11 and the spindle 1, 2, and which has a first position sensor 16 for determining the position of the spindle 1, 2, and which has first force sensor 15 for determining the spring tension of the first spring 11, wherein the position sensor 16 and the

Abstract: A support system (10) and method for the viewer-dependent positioning and alignment of a monitor (20) is disclosed. The support system (10) comprises a central support column (14), a first arm (16) having an adjustable length L, wherein the first arm (16) is rotatably connected at its proximal end to the central support column (14) and is pivotally connected at its distal end to the monitor (20), a second arm (18), wherein the second arm (18) is connected at its distal end to a camera (50), and control means for positioning and aligning the monitor (20) such that irrespective of the angular position of the viewer (i) the monitor (20) is positioned along the line of sight of the viewer pointing towards a reference position, (ii) the distance from the monitor (20) to the viewer (40) is held constant, and (iii) the monitor (20) is at a right angle with respect to the line of sight of the viewer (40) pointing towards a reference position.

Abstract: A stereo video microscope system (10), comprising: a stereo video microscope (11) having two output channels for providing stereo image data and including an internal lighting; a display unit (14) having two input channels for receiving and displaying stereo image data; and a control unit operably connected to the stereo video microscope (11) and the display unit (14) such that the control unit can control the operation of the stereo video microscope (11) and the display unit (14) and the flow of stereo image data between the two output channels of the stereo video microscope (11) and the two input channels of the display unit (14). In one embodiment the control unit is configured for performing an image rotation and/or exchanging the output channels such that the stereo image is always upright.

Abstract: An eyewear is described comprising two segmented look-through elements each comprising an upper and a lower segment, wherein the upper segments are provided with means to selectively direct an image to the left and/or to the right eye. Preferably, said means are configured as LCD shutter glasses, optically polarized glasses, red and green glasses or as display units. The two lower segments of the two look-through elements are preferably configured as normal glasses including a pair of magnifying glasses. The eyewear can be used in a variety of environments including, in particular, the medical field and industrial processes. Furthermore, a system is described comprising such an eyewear as well as a display device to be looked at by means of said eyewear.

Abstract: The present invention provides an optical stereo device with an autofocus feature as well as a corresponding autofocus method for optical stereo devices. The optical stereo device has imaging means configured to provide a stereo image of an object of interest by means of combining a right eye image and a left eye image and a control unit operatively connected to the imaging means and configured to receive the right eye image and the left eye image and to adjust the focus position of the imaging means.

Abstract: The invention provides a microscope (2) as part of an optical system (1) used to spatially image an object in an image plane, and methods for its use, wherein the microscope (2) has at least one lens system assigned to a respective beam path (3, 4) and a converging lens arrangement (11) assigned to the beam path(s) (3, 4), wherein the at least one lens system includes a first lens arrangement (3a; 4a) and a second lens arrangement (3b; 4b) arranged between the first and the converging lens arrangement.

Abstract: A zoom system (10) for an optical stereo device is provided. The zoom system (10) comprises a front plate (30) and a lens plate (60) disposed in a fixed spatial relationship and defining two optical paths within the zoom system (10). The zoom system further comprises a zoom plate (40) having two lens assemblies (45a, 45b), wherein the zoom plate (40) is disposed between the front plate (30) and the lens plate (60), and a compensation plate (50), wherein the compensation plate (50) is disposed between the zoom plate (40) and the lens plate (60).

Abstract: A support system (10) and method for the viewer-dependent positioning and alignment of a monitor (20) is disclosed. The support system (10) comprises a central support column (14), a first arm (16) having an adjustable length L, wherein the first arm (16) is rotatably connected at its proximal end to the central support column (14) and is pivotally connected at its distal end to the monitor (20), a second arm (18), wherein the second arm (18) is connected at its distal end to a camera (50), and control means for positioning and aligning the monitor (20) such that irrespective of the angular position of the viewer (i) the monitor (20) is positioned along the line of sight of the viewer pointing towards a reference position, (ii) the distance from the monitor (20) to the viewer (40) is held constant, and (iii) the monitor (20) is at a right angle with respect to the line of sight of the viewer (40) pointing towards a reference position.

Abstract: A zoom system (10) for an optical stereo device is provided. The zoom system (10) comprises a front plate (30) and a lens plate (60) disposed in a fixed spatial relationship and defining two optical paths within the zoom system (10). The zoom system further comprises a zoom plate (40) having two lens assemblies (45a, 45b), wherein the zoom plate (40) is disposed between the front plate (30) and the lens plate (60), and a compensation plate (50), wherein the compensation plate (50) is disposed between the zoom plate (40) and the lens plate (60).

Abstract: A system and a method for displaying a first image of an object of interest from a first source and a second image of an object of interest from a second source in an overlaying relationship are described. The system (10) comprises a display unit (12) having two input channels for receiving and displaying the first image and the second image, and a control unit (14) configured to supply one input channel of the display unit (12) with the first image from a first source and the other input channel of the display unit (12) with the second image from a different second source, such that said first and second image can be displayed in an overlaying relationship by the display unit (12). Preferably, the display unit (12) is an auto-stereoscopic or a stereoscopic monitor.

Abstract: A stereo video microscope system (10), comprising: a stereo video microscope (11) having two output channels for providing stereo image data and including an internal lighting; a display unit (14) having two input channels for receiving and displaying stereo image data; and a control unit operably connected to the stereo video microscope (11) and the display unit (14) such that the control unit can control the operation of the stereo video microscope (11) and the display unit (14) and the flow of stereo image data between the two output channels of the stereo video microscope (11) and the two input channels of the display unit (14). In one embodiment the control unit is configured for performing an image rotation and/or exchanging the output channels such that the stereo image is always upright.

Abstract: An eyewear is described comprising two segmented look-through elements each comprising an upper and a lower segment, wherein the upper segments are provided with means to selectively direct an image to the left and/or to the right eye. Preferably, said means are configured as LCD shutter glasses, optically polarized glasses, red and green glasses or as display units. The two lower segments of the two look-through elements are preferably configured as normal glasses including a pair of magnifying glasses. The eyewear can be used in a variety of environments including, in particular, the medical field and industrial processes. Furthermore, a system is described comprising such an eyewear as well as a display device to be looked at by means of said eyewear.

Abstract: The invention concerns a method for operating an optical system (1) as well as an optical system. In the method an object of study is spatially imaged in an image plane using a microscope (2) comprised in the optical system (1), wherein the microscope (2) comprises at least one lens system which is assigned to a respective optical path (3, 4) and a collecting lens arrangement (11) which is assigned to the optical paths or optical paths (3, 4), wherein the at least one lens system comprises a first lens arrangement (3a; 4a) and a second lens arrangement (3b; 4b) positioned between the first lens arrangement (3a; 4a) and the collecting lens arrangement (11).

Abstract: The invention is directed to a medical therapeutic and/or diagnostic apparatus having a function unit (1) and a position detecting device (5). A further detecting device (7) is mounted so as to be fixed in position and orientation and is separated from the position detecting device (5) by a signal path. The position detecting device (5) operates together with the additional detecting device (7). The position detecting device (5) can be changed during operation with respect to position and orientation relative to the function unit (1).

Abstract: An OCT-supported surgical system includes an OCT module that includes a surface scanner, the position of which can be sensed by a position sensing unit, and an evaluation and display unit, which is connected to the OCT module and to the position sensing unit in order to be able to correlate a tissue-differentiated tomogram of a specimen sensed by the OCT module with preoperatively produced specimen data.