The photographer in Blow-Up, who is not a philosopher, wants to see things closer up. But it so happens that, by enlarging too far, the object itself decomposes and disappears. Hence there's a moment in which we grasp reality, but then the moment passes. This was in part the meaning of Blow-Up.

On his film Blow-Up, as quoted in Michelangelo Antonioni : The Complete Films (2004) edited by Seymour Chatman and Paul Duncan, p. 113