Film theory: cinema images create illusion of presence and lived space — spectator experiences reality convincingly. Foundation of psychoanalytic cinema theory (Metz, Baudry).
The apparatus of cinema functions through a fundamental deception—and this is not a flaw, but intentional. The screen displays two-dimensional, moving images, but we experience a three-dimensional space with depth, action, presence. This discrepancy between physical stimulus and psychological experience forms the core of illusionistic film theory. On set, you truly grasp this when you realize: a camera on the wrong side not only ruins a shot but breaks down the illusionary space itself. The audience immediately senses that something is "wrong"—not because logic breaks, but because the spatial deception collapses.
In practice, this means: we systematically work to make the viewer forget the construction process. Continuity editing, camera perspective, lighting—everything aims to create a coherent illusionary space. The psychoanalytic approach (as in theoretical works on the unconscious mechanisms of the apparatus) explains why: the viewer sits in a dark theater, unconsciously identifies with the camera's position, becoming an imaginary "omniscient observer." This position is never natural—it is the product of a sophisticated technical arrangement. Every focal length, every cut frequency, every sound layer works on this illusion. An extreme close-up creates intimacy not because it is "realistic," but because it simulates a presence that does not exist.
What's interesting on set: sometimes you have to consciously break this illusion to make it stronger. A jump cut, an unmotivated cut, a visible camera movement—such formal "errors" can fragment the illusion and thereby paradoxically intensify it, because they suddenly make the viewer aware of their position. Then the illusion is not broken, but reflected. This is the difference between naive illusionism and critical realism in cinema.
Practically, this means: every technical parameter—from frame rate to color temperature—contributes to this deception. Those who understand this can consciously play with it. Not to destroy the illusion, but to precisely control where it has the strongest effect.