The lighting is exactly the same as it was in the final film, it was just poorly put on video. I think the real reason it sucks so much it that without the John Williams soundtrack it almost looks and sounds like a trailer for one of those "cerebral" sci-fi films that were popular after 2001: A Space Odyssey came out but before Star Wars. You know, the kind that only appealed to fans of hardcore science fiction. The only thing in this trailer that really indicates it's not one of those movies is that there is sound in outer space