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The film's director of photography John F Seitz lit and shot the film with immense craft but always held true to his belief that "cinematography must exist to tell the screen story, rather than to stand out as a separate artistic entity. (Williams) The distinction between the two worlds represented in the narrative is an integral element of Sunset Boulevard , with the everyday world of LA placed in direct contrast with the film noir/gothic setting of Norma's life: "The everyday world