Optical group for detection light of a microscope, in particular of a confocal scanning microscope, having a detection beam path for guiding detection light to be measured from an input plane into a detection plane which is optically conjugate to the input plane, wherein the detection beam path comprises at least one first beam course having first optical beam guiding means, in particular first lenses and/or mirrors (20, 30, 34, 36, 58, 60, 66), for imaging the input plane into the detection plane, wherein at least one dispersive device for spatially spectrally splitting the detection light to be measured is present in the first beam course, and wherein a manipulation device having adjustable beam deflection means (50, 51, 52) for selecting at least one spectral component of the spectrally spatially split detection light (42, 44, 46) is present in the first beam course in a spectral selection plane which is optically conjugate to the input plane and the detection plane, characterized in that a two-dimensionally spatially resolving segmented detector for measuring the detection light is arranged in the detection plane, in that detection light selected by the manipulation device can be radiated back in different adjustable angles in such a way that selected detection light travels back in reverse through the dispersive device, and in that the first optical beam guiding means (20, 30, 34, 36, 58, 60, 66) together with the dispersive device and the manipulation device are arranged and configured for generating a spectrally spatially separated, spectrally selected and diffraction-limited imaging of the input plane into the detection plane. having a detection beam path for guiding detection light to be measured from an input plane into a detection plane which is optically conjugate to the input plane, wherein the detection beam path comprises at least one first beam course having first optical beam guiding means, in particular first lenses and/or mirrors (20, 30, 34, 36, 58, 60, 66), for imaging the input plane into the detection plane, wherein at least one dispersive device for spatially spectrally splitting the detection light to be measured is present in the first beam course, and wherein a manipulation device having adjustable beam deflection means (50, 51, 52) for selecting at least one spectral component of the spectrally spatially split detection light (42, 44, 46) is present in the first beam course in a spectral selection plane which is optically conjugate to the input plane and the detection plane, characterized in that a two-dimensionally spatially resolving segmented detector for measuring the detection light is arranged in the detection plane, in that detection light selected by the manipulation device can be radiated back in different adjustable angles in such a way that selected detection light travels back in reverse through the dispersive device, and in that the first optical beam guiding means (20, 30, 34, 36, 58, 60, 66) together with the dispersive device and the manipulation device are arranged and configured for generating a spectrally spatially separated, spectrally selected and diffraction-limited imaging of the input plane into the detection plane.