An apparatus including a light source, a first display, a first polarizing beam splitter having a first light input surface, a first light input transmission surface, a first display interface surface, and a first display projection surface, a second display, a second polarizing beam splitter having a second light input surface, a second display interface surface, and a second display projection surface, and a retarder that is positioned between the first light input transmission surface and the second light input surface is disclosed.
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