A system for processing light, the system configured to provide along a main beam path a beam of system light, wherein the system light comprises one or more of first light having a first spectral distribution, second light having a second spectral distribution, and third light having a third spectral distribution, wherein the first, second, and third spectral distributions mutually differ, wherein first light is blue light, the second light is green light and the third light is red light wherein the system comprises: - a lighting arrangement comprising one or more solid state light sources and configured to provide along a first beam path a first beam comprising primary light having a spectral power distribution with at least 80% of the spectral power consisting of the first light, and configured to provide along a second beam path a second beam comprising composed light having a spectral distribution with at least 80% of the spectral power consisting of the second light and the third light; wherein the lighting arrangement is configured to generate the first beam and the second beam at spatially separate positions, and wherein the system further comprises optics configured to combine at a beam path combination location the first beam path and the second beam path into the main beam path, or wherein the lighting arrangement is configured to generate the first beam and the second beam alternatingly; - an optical filter system consisting of a plurality of segments which are all transparent for blue light, wherein two or more segments of the plurality of segments have different transmission characteristics for the composed light; wherein the two or more segments of the plurality of segments are transmissive for the primary light; wherein during operation of the system the optical filter system is configured to have the two or more segments of the plurality of segments sequentially intercept the main beam path, wherein during a time period (tsp) the main beam path is partially intercepted by a first segment and partially intercepted by a second segment; - a control system configured to control the lighting arrangement and the optical filter system such that during the time period (tsp) at least 80% of a spectral power distribution of the system light consists of the primary light. - a lighting arrangement comprising one or more solid state light sources and configured to provide along a first beam path a first beam comprising primary light having a spectral power distribution with at least 80% of the spectral power consisting of the first light, and configured to provide along a second beam path a second beam comprising composed light having a spectral distribution with at least 80% of the spectral power consisting of the second light and the third light; wherein the lighting arrangement is configured to generate the first beam and the second beam at spatially separate positions, and wherein the system further comprises optics configured to combine at a beam path combination location the first beam path and the second beam path into the main beam path, or wherein the lighting arrangement is configured to generate the first beam and the second beam alternatingly; - an optical filter system consisting of a plurality of segments which are all transparent for blue light, wherein two or more segments of the plurality of segments have different transmission characteristics for the composed light; wherein the two or more segments of the plurality of segments are transmissive for the primary light; wherein during operation of the system the optical filter system is configured to have the two or more segments of the plurality of segments sequentially intercept the main beam path, wherein during a time period (tsp) the main beam path is partially intercepted by a first segment and partially intercepted by a second segment; - a control system configured to control the lighting arrangement and the optical filter system such that during the time period (tsp) at least 80% of a spectral power distribution of the system light consists of the primary light.