It’s one of the reasons that I try not to visit the set. If it looks the part on the dailies then, just like the audience, I’m convinced it really is a cannon, statue or a castle. Lift it up like superman does and you can never quite get that suspension of disbelief back. Once I’ve done the first assembly of the material shot on the set, is not so bad going to see it. Reality, such that it is, belongs with the images I have seen on the screen. The sets then take on the appearance of replicas of the real world I’ve seen through the window of my screen.
It’s like visiting Universal Studios and seeing the plastic shark that mechanically jumps out at you, good but not real. Unlike the monster from the deep that went eye to eye with Chief Brody in Jaws, that was real.