A system for a high dynamic range projector, comprising: a first light modulator comprising a plurality of first pixels configured to produce an image at a first resolution; a second light modulator comprising a plurality of second pixels having a higher resolution than the plurality of first pixels; a light input configured to receive light from the plurality of first pixels of the first light modulator; a light output configured to convey light to the plurality of second pixels of the second light modulator; a relay lens system with one or more lenses configured to relay light from the light input to the light output, at least one of the one or more lenses comprising a spherical lens; and, an aperture stop configured to provide a given numerical aperture to the light being relayed through the one or more lenses, the given numerical aperture comprising an F-stop in a range of about F/2 to about F/8, the combination of the given numerical aperture and the one or more lenses are configured to: introduce a spherical aberration in the light between the light input and the light output, the spherical aberration changing a first shape of light from the plurality of first pixels from an approximate square shape at the light input to, at the plurality of second pixels, a function having an upper boundary and a lower boundary defined as follows: LB r = 0.9 × 1 / 2 + 1⁄2 cos π r / N for r < N LB r = 0 for r ≥ N UB r = 1.1 exp − r / N 2 where UB is the upper boundary, LB is the lower boundary, r is a distance from a centre of the pixel, and N is a pixel dimension of a dither pattern in the light entering the light input; and, balance a third order spherical aberration, a fifth order spherical aberration and a seventh order spherical aberration to suppress one or more of the following in a ray fan plot of the spherical aberration: local maxima and local minima; and, points where a derivative of the ray fan plot is zero. a first light modulator comprising a plurality of first pixels configured to produce an image at a first resolution; a second light modulator comprising a plurality of second pixels having a higher resolution than the plurality of first pixels; a light input configured to receive light from the plurality of first pixels of the first light modulator; a light output configured to convey light to the plurality of second pixels of the second light modulator; a relay lens system with one or more lenses configured to relay light from the light input to the light output, at least one of the one or more lenses comprising a spherical lens; and, an aperture stop configured to provide a given numerical aperture to the light being relayed through the one or more lenses, the given numerical aperture comprising an F-stop in a range of about F/2 to about F/8, the combination of the given numerical aperture and the one or more lenses are configured to: introduce a spherical aberration in the light between the light input and the light output, the spherical aberration changing a first shape of light from the plurality of first pixels from an approximate square shape at the light input to, at the plurality of second pixels, a function having an upper boundary and a lower boundary defined as follows: LB r = 0.9 × 1 / 2 + 1⁄2 cos π r / N for r < N LB r = 0 for r ≥ N UB r = 1.1 exp − r / N 2 where UB is the upper boundary, LB is the lower boundary, r is a distance from a centre of the pixel, and N is a pixel dimension of a dither pattern in the light entering the light input; and, balance a third order spherical aberration, a fifth order spherical aberration and a seventh order spherical aberration to suppress one or more of the following in a ray fan plot of the spherical aberration: local maxima and local minima; and, points where a derivative of the ray fan plot is zero. introduce a spherical aberration in the light between the light input and the light output, the spherical aberration changing a first shape of light from the plurality of first pixels from an approximate square shape at the light input to, at the plurality of second pixels, a function having an upper boundary and a lower boundary defined as follows: LB r = 0.9 × 1 / 2 + 1⁄2 cos π r / N for r < N LB r = 0 for r ≥ N UB r = 1.1 exp − r / N 2 where UB is the upper boundary, LB is the lower boundary, r is a distance from a centre of the pixel, and N is a pixel dimension of a dither pattern in the light entering the light input; and, balance a third order spherical aberration, a fifth order spherical aberration and a seventh order spherical aberration to suppress one or more of the following in a ray fan plot of the spherical aberration: local maxima and local minima; and, points where a derivative of the ray fan plot is zero.