Abstract: A system and method for projecting coherent (e.g., laser) light imagery onto an interior surface of a 3-dimensional projection surface is provided. In some aspects, there is provided a coherent light source, which may comprise more than one wavelength (color) component such as red, green and blue laser sources. In some aspects, one or more light component is directed through optical elements within the system so as to modulate the source light with image data or information by way of a microdisplay apparatus. In addition, the coherent light rays are reflected or redirected as needed by optical lens assemblies, which can include positive lens elements, negative lens elements, mirrors, and/or prisms. The rays move from their source to the microdisplay and on through the various optical assemblies towards the surface of the projection screen. In some aspects, the rays move through the system with little or no ray crossing because of the simplicity of the construction of the same.