Device for projecting a stereo image for a wavelength division multiplexing stereo system, the device for projecting comprising at least one projection unit having a blue laser light source, and the at least one projection unit emitting at least one narrow-band red part-spectrum having a half-width of less than 25 nm, and a narrow-band green part-spectrum having a half-width of less than 25 nm, the device for projecting comprising a second projection unit having a second blue laser light source, and the at least one second projection unit emitting at least a second narrow-band red part-spectrum and a second narrow-band green part-spectrum having a half-width of less than 25 nm, the part-spectra (G1, G2, R1, R2) and the blue lights (LB1, LB2) of the laser light sources (LQ1, LQ2) being selected such that the projected stereo partial images are mutually orthogonal to one another characterized in that the projection unit comprises a photoluminescent body which is assigned to the blue laser light source and is designed and arranged such that the photoluminescent body is irradiated with blue light by means of the blue laser light source, such that the photoluminescent body emits broadband light which contains light of the primary colors red and green, in that the projection unit comprises a filter assembly which is designed and arranged such that the emitted broadband light is filtered into at least one narrow-band red part-spectrum having a half-width of less than 25 nm, and a narrow-band green part-spectrum having a half-width of less than 25 nm, and in that at least one part-spectrum (G2, R2) is formed by two narrow-band, closely spaced and adjacent part-spectra (G21, G22; R21, R22), in that the second projection unit comprises a second photoluminescent body which is assigned to a second blue laser light source and is designed and arranged such that the second photoluminescent body is irradiated with blue light by means of the second blue laser light source such that it emits broadband light, and which comprises a second filter assembly which is designed and arranged such that the emitted broadband light filters into at least a second narrow-band red part-spectrum, and a second narrow-band green part-spectrum is filtered. the device for projecting comprising at least one projection unit having a blue laser light source, and the at least one projection unit emitting at least one narrow-band red part-spectrum having a half-width of less than 25 nm, and a narrow-band green part-spectrum having a half-width of less than 25 nm, the device for projecting comprising a second projection unit having a second blue laser light source, and the at least one second projection unit emitting at least a second narrow-band red part-spectrum and a second narrow-band green part-spectrum having a half-width of less than 25 nm, the part-spectra (G1, G2, R1, R2) and the blue lights (LB1, LB2) of the laser light sources (LQ1, LQ2) being selected such that the projected stereo partial images are mutually orthogonal to one another characterized in that the projection unit comprises a photoluminescent body which is assigned to the blue laser light source and is designed and arranged such that the photoluminescent body is irradiated with blue light by means of the blue laser light source, such that the photoluminescent body emits broadband light which contains light of the primary colors red and green, in that the projection unit comprises a filter assembly which is designed and arranged such that the emitted broadband light is filtered into at least one narrow-band red part-spectrum having a half-width of less than 25 nm, and a narrow-band green part-spectrum having a half-width of less than 25 nm, and in that at least one part-spectrum (G2, R2) is formed by two narrow-band, closely spaced and adjacent part-spectra (G21, G22; R21, R22), in that the second projection unit comprises a second photoluminescent body which is assigned to a second blue laser light source and is designed and arranged such that the second photoluminescent body is irradiated with blue light by means of the second blue laser light source such that it emits broadband light, and which comprises a second filter assembly which is designed and arranged such that the emitted broadband light filters into at least a second narrow-band red part-spectrum, and a second narrow-band green part-spectrum is filtered.