Chromatic confocal measuring device, comprising - a light source which emits light of a plurality of wavelengths, in particular a continuous spectrum, - a first confocal aperture through which light from the light source passes - an illumination imaging optics (BA) comprising at least - a first splitting optical element , which is designed as a prism or grating, - wherein the light enters the first splitting optical element in a collimated manner, - as well as a first lens system with at least one first lens, which is spatially separated from the first splitting optical element , wherein the effective focal length (f(λ)) of the first lens system differs significantly for different wavelengths (λ), - such that the illumination-imaging optics (BA) are configured to form focal points of different wavelengths at different locations, said locations being along a line segment forming an acute angle to the axis of symmetry of the first lens system - wherein the measuring device is arranged to measure an object which intersects the line segment and reflects at least a part of the light - wherein the measuring device comprises a detection-imaging optics (DA) which is spatially separated from the illumination-imaging optics (BA), - and wherein the detection imaging optics (DA) is arranged to receive light reflected from the object exclusively from a direction which is different from the direction from which the illumination light is incident on the object, - wherein the detection imaging optics (DA) are adapted to image the focal points of all wavelengths onto a second confocal aperture , and - wherein the measuring device comprises a detector which is adapted to detect intensity of the light passing through the second aperture - a light source which emits light of a plurality of wavelengths, in particular a continuous spectrum, - a first confocal aperture through which light from the light source passes - an illumination imaging optics (BA) comprising at least - a first splitting optical element , which is designed as a prism or grating, - wherein the light enters the first splitting optical element in a collimated manner, - as well as a first lens system with at least one first lens, which is spatially separated from the first splitting optical element , wherein the effective focal length (f(λ)) of the first lens system differs significantly for different wavelengths (λ), - such that the illumination-imaging optics (BA) are configured to form focal points of different wavelengths at different locations, said locations being along a line segment forming an acute angle to the axis of symmetry of the first lens system - wherein the measuring device is arranged to measure an object which intersects the line segment and reflects at least a part of the light - wherein the measuring device comprises a detection-imaging optics (DA) which is spatially separated from the illumination-imaging optics (BA), - and wherein the detection imaging optics (DA) is arranged to receive light reflected from the object exclusively from a direction which is different from the direction from which the illumination light is incident on the object, - wherein the detection imaging optics (DA) are adapted to image the focal points of all wavelengths onto a second confocal aperture , and - wherein the measuring device comprises a detector which is adapted to detect intensity of the light passing through the second aperture <EOS>