A system comprising: a light source comprising a blue laser source or one or more of: a white light source, and a white laser light source; at least three reflective optical devices arranged along a light path of light from the light source; and, at least three projectors, the at least three reflective optical devices comprising: a first variable reflective beam splitter configured to: receive the light from the light source along the light path; direct a first portion of the light along a first light path to a first one of the at least three projectors; and direct a second portion of the light to a next one of the at least three reflective optical devices downstream from the first variable reflective beam splitter along the light path; a last reflective optical device configured to receive remaining light from a second last reflective optical device along the light path, the last reflective optical device comprising one of: a mirror configured to direct the remaining light along a last light path to a last one of the at least three projectors; or a last variable reflective beam splitter (2005-s) configured to: divide the remaining light into two portions, and direct the two portions along two different light paths, to each of the last one of the at least three projectors and the second last one of the at least three projectors; and, one or more variable reflective beam splitters (2005-s-1) located between the first variable beam splitter and the last reflective optical device along the light path, each of the one or more variable reflective beam splitters (2005-s-1) configured to: receive previous light from the previous variable reflective beam splitter along the light path; direct one portion of the previous light along a respective light path to a respective one of the at least three projectors; and direct another portion of the previous light to a successive one of the at least three reflective optical devices; wherein the reflectivity of each of the first variable reflective beam splitter and of the one or more variable reflective beam splitters (2005-s-1) is variable to variably convey received light to respective projectors, and, where the last reflective optical device comprises a variable reflective beam splitter, the reflectivity of the last variable reflective beam splitter (2005-s) too is variable to variably convey received light to respective projectors, wherein each of the first variable reflective beam splitter, the one or more variable reflective beam splitters (2005-s-1), and the last variable reflective beam splitter (2005-s) comprises a digital micromirror device DMD. a light source comprising a blue laser source or one or more of: a white light source, and a white laser light source; at least three reflective optical devices arranged along a light path of light from the light source; and, at least three projectors, the at least three reflective optical devices comprising: a first variable reflective beam splitter configured to: receive the light from the light source along the light path; direct a first portion of the light along a first light path to a first one of the at least three projectors; and direct a second portion of the light to a next one of the at least three reflective optical devices downstream from the first variable reflective beam splitter along the light path; a last reflective optical device configured to receive remaining light from a second last reflective optical device along the light path, the last reflective optical device comprising one of: a mirror configured to direct the remaining light along a last light path to a last one of the at least three projectors; or a last variable reflective beam splitter (2005-s) configured to: divide the remaining light into two portions, and direct the two portions along two different light paths, to each of the last one of the at least three projectors and the second last one of the at least three projectors; and, one or more variable reflective beam splitters (2005-s-1) located between the first variable beam splitter and the last reflective optical device along the light path, each of the one or more variable reflective beam splitters (2005-s-1) configured to: receive previous light from the previous variable reflective beam splitter along the light path; direct one portion of the previous light along a respective light path to a respective one of the at least three projectors; and direct another portion of the previous light to a successive one of the at least three reflective optical devices; wherein the reflectivity of each of the first variable reflective beam splitter and of the one or more variable reflective beam splitters (2005-s-1) is variable to variably convey received light to respective projectors, and, where the last reflective optical device comprises a variable reflective beam splitter, the reflectivity of the last variable reflective beam splitter (2005-s) too is variable to variably convey received light to respective projectors, wherein each of the first variable reflective beam splitter, the one or more variable reflective beam splitters (2005-s-1), and the last variable reflective beam splitter (2005-s) comprises a digital micromirror device DMD.