Once I had allowed the lighthouse to be used, other associations came crowding in and I recalled the Fresnel lens that I had seen in Key West near the old lighthouse there. The lenses were designed to concentrate the light from oil lamps into a clear beam, so here I borrowed a lens from a stock photo, reconstructed the lighthouse cupola and used an ocean view from a stock set as the background. The overall look is a cutout filter layer blended at low opacity and masked in the area of the beam.