A segmented birefringent chromatic beam shaping device - comprising at least three birefringent chromatic segments (22 to 25) arranged side by side in a pupil of the beam shaping device, - wherein birefringent and chromatic properties of the beam shaping device are invariant over each of the at least three segments (22 to 25), - wherein the at least three birefringent chromatic segments (22 to 25) are (n+s)λ waveplates at a first design wavelength, n being an integer greater than 0, and s being in a range from -0.1 to 0.1, wherein n is identical or not identical with all of the at least three birefringent chromatic segments (22 to 25), - wherein at least two of the at least three birefringent chromatic segments (22 to 25) are (m + r)λ waveplates at a second design wavelength, m being an integer greater than 0, and r being in a range from 0.4 to 0.6, and - wherein the at least two of the at least three birefringent chromatic segments (22 to 25) only differ is their orientations and, optionally, in their shapes in the pupil, characterized in - that each of the at least three birefringent chromatic segments (22 to 25) comprises a stack of birefringent elements (24 to 36 and 40) including at least three chromatic birefringent elements (34 to 36), - wherein orientations of the fast axes (37 to 39) of each pair of directly consecutive chromatic birefringent elements (34 and 35; 35 and 36) of the at least three chromatic birefringent elements (34 to 36) of each of the at least three birefringent chromatic segments (22 to 25) differ by at least 5 deg, and - wherein all of the at least two of the at least three birefringent chromatic segments (22 to 25) comprise same sequences of materials, thicknesses and orientations of their birefringent elements. - comprising at least three birefringent chromatic segments (22 to 25) arranged side by side in a pupil of the beam shaping device, - wherein birefringent and chromatic properties of the beam shaping device are invariant over each of the at least three segments (22 to 25), - wherein the at least three birefringent chromatic segments (22 to 25) are (n+s)λ waveplates at a first design wavelength, n being an integer greater than 0, and s being in a range from -0.1 to 0.1, wherein n is identical or not identical with all of the at least three birefringent chromatic segments (22 to 25), - wherein at least two of the at least three birefringent chromatic segments (22 to 25) are (m + r)λ waveplates at a second design wavelength, m being an integer greater than 0, and r being in a range from 0.4 to 0.6, and - wherein the at least two of the at least three birefringent chromatic segments (22 to 25) only differ is their orientations and, optionally, in their shapes in the pupil, - that each of the at least three birefringent chromatic segments (22 to 25) comprises a stack of birefringent elements (24 to 36 and 40) including at least three chromatic birefringent elements (34 to 36), - wherein orientations of the fast axes (37 to 39) of each pair of directly consecutive chromatic birefringent elements (34 and 35; 35 and 36) of the at least three chromatic birefringent elements (34 to 36) of each of the at least three birefringent chromatic segments (22 to 25) differ by at least 5 deg, and - wherein all of the at least two of the at least three birefringent chromatic segments (22 to 25) comprise same sequences of materials, thicknesses and orientations of their birefringent elements.