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. <EOS>