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This paper describes a fast, wide-angle, afocal, catadioptric optical assembly designed and used for the projection of coherent collimated beams in Fourier-sampling computational microscopy, which demands an unorthodox set of optical requirements unmet by traditional imaging designs. The system accepts a diverging set of collimated beams as an input and produces a converging set of collimated beams that overlap on the surface of a target at 5 m scale distances. We derive equations for the focal surfaces relevant for system alignment and report the results o