A pinhole camera creates infinite depth-of-field because it has no lens—just a tiny opening that lets light slip through in straight lines. Since there’s no curved glass to focus or blur anything, every distance is technically in focus at the same time: foreground, midground, background, all equally sharp—or equally soft. The image doesn’t depend on focusing mechanics; it depends on geometry and the size of the hole. As long as the pinhole is small enough, everything from a foot away to the horizon lands on the paper or sensor with the same basic clarity.
That’s where the eerie, soft-edged rendering comes in. The image isn’t sharp in a modern photographic sense. Light spreads slightly as it passes through the opening, producing a gentle haze around edges. Details look ghostlike, as if the world is being remembered rather than recorded. Shadows deepen, highlights glow, and the whole frame takes on a dreamlike stillness. This quality—neither crisp nor blurry—gives pinhole photos their unmistakable mood: quiet, strange, and hauntingly atmospheric.