Abstract: A method is used for acquiring and displaying an immunofluorescence image of a biological sample. During a first operating state, the sample is continuously illuminated using the excitation radiation. A relative position between the sample and an optical system, which guides the fluorescent radiation to an image sensor, is changed in dependence on a movement gesture of a user, and a corresponding digital image is displayed. Upon detection of a termination of the movement gesture, a change is made from the first operating state to a second operating state. In the second operating state, the sample is firstly illuminated using the excitation radiation to excite the fluorescent radiation of the fluorescent pigment. An acquisition of fluorescent radiation emitted by the sample then takes place and a corresponding, further digital image is generated.

Abstract: A method is used for acquiring and displaying an immunofluorescence image of a biological sample. During a first operating state, the sample is continuously illuminated using the excitation radiation. A relative position between the sample and an optical system, which guides the fluorescent radiation to an image sensor, is changed in dependence on a movement gesture of a user, and a corresponding digital image is displayed. Upon detection of a termination of the movement gesture, a change is made from the first operating state to a second operating state. In the second operating state, the sample is firstly illuminated using the excitation radiation to excite the fluorescent radiation of the fluorescent pigment. An acquisition of fluorescent radiation emitted by the sample then takes place and a corresponding, further digital image is generated.

Abstract: A positioning aid for a magnetic device used for positioning a shuttering means, the magnetic device being movable between a position of use, in which said magnetic device is in contact with a ferromagnetic shuttering support, and a position of non-use, in which said magnetic device is spaced apart from the shuttering support, said positioning aid comprising at least one retaining device relative to which the magnetic device is supported against a holding force of said magnetic device, and further comprising at least one elastic support unit for producing a lifting force against said holding force so as to hold the magnetic device in the position of non-use.

Abstract: A positioning aid for a magnetic device used for positioning a shuttering means, the magnetic device being movable between a position of use, in which said magnetic device is in contact with a ferromagnetic shuttering support, and a position of non-use, in which said magnetic device is spaced apart from the shuttering support, said positioning aid comprising at least one retaining device relative to which the magnetic device is supported against a holding force of said magnetic device, and further comprising at least one elastic support unit for producing a lifting force against said holding force so as to hold the magnetic device in the position of non-use.