An apparatus for determining spectral information of a three-dimensional object, comprising: a cavity for location in relation to the obj ect; an imaging light source located in relation to the cavity, wherein the imaging source is controllable to selectively emit light in a plurality of wavelength ranges; at least one illumination structuring device, a structured light source for emitting structured illumination toward the object, wherein the structured light source comprises a plurality of illumination devices arranged around the cavity, wherein the structured light source comprises one or more illumination devices arranged in relation to the at least one illumination structuring device, wherein each of the illumination devices is a coherent illumination device and wherein the illumination structuring device comprises a diffraction grating; a photometric stereo, PS, light source to form a point source of light, for emitting illumination toward the object from at least one predetermined angle and wherein the PS light source is arranged to selectively emit illumination toward the object from predetermined radial angles around the object for PS imaging to determine surface normals relating to at least a portion of the object; one or more imaging devices for generating image data relating to at least a portion of the object; a control unit, wherein the control unit is arranged to control the structured light source to emit the structured illumination, to control the PS light source to emit the illumination toward the object from the predetermined radial angles around the object and to control the imaging light source to emit light in a selected one or more of the plurality of wavelength ranges; a data storage unit arranged to store image data corresponding to the structured illumination, the illumination emitted toward the object by the PS light source, each of the selected one or more of the plurality of wavelength ranges; and processing means arranged to determine depth information relating to at least a portion of the object in dependence on the image data corresponding to the structured illumination stored in the data storage means and to determine the surface normals each representing a respective angle of a portion of a surface of the object in dependence on the illumination emitted toward the object by the PS light source. a cavity for location in relation to the obj ect; an imaging light source located in relation to the cavity, wherein the imaging source is controllable to selectively emit light in a plurality of wavelength ranges; at least one illumination structuring device, a structured light source for emitting structured illumination toward the object, wherein the structured light source comprises a plurality of illumination devices arranged around the cavity, wherein the structured light source comprises one or more illumination devices arranged in relation to the at least one illumination structuring device, wherein each of the illumination devices is a coherent illumination device and wherein the illumination structuring device comprises a diffraction grating; a photometric stereo, PS, light source to form a point source of light, for emitting illumination toward the object from at least one predetermined angle and wherein the PS light source is arranged to selectively emit illumination toward the object from predetermined radial angles around the object for PS imaging to determine surface normals relating to at least a portion of the object; one or more imaging devices for generating image data relating to at least a portion of the object; a control unit, wherein the control unit is arranged to control the structured light source to emit the structured illumination, to control the PS light source to emit the illumination toward the object from the predetermined radial angles around the object and to control the imaging light source to emit light in a selected one or more of the plurality of wavelength ranges; a data storage unit arranged to store image data corresponding to the structured illumination, the illumination emitted toward the object by the PS light source, each of the selected one or more of the plurality of wavelength ranges; and processing means arranged to determine depth information relating to at least a portion of the object in dependence on the image data corresponding to the structured illumination stored in the data storage means and to determine the surface normals each representing a respective angle of a portion of a surface of the object in dependence on the illumination emitted toward the object by the PS light source.