Antarctica

Antarctica
by ʇolɐǝz ǝɥʇ qoq

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A camera that uses a tiny ("pinhole") aperture in a light screen (flange) as a lens.

Pinholes are theoretically trivial lenses. For example, the aperture of a pinhole = flange distance / hole diameter.

As the diameter of a pinhole approaches zero, its depth of field approaches infinity.

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