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Diaphragm (Ancient Greek: διάφραγμα, translit. diáphragma, lit. 'through fence') may refer to any of the following:


Anatomical structure[edit]

Optics and photography[edit]

  • Diaphragm (optics), a stop in the light path of a lens, having an aperture that regulates the amount of light that passes
  • Diaphragm shutter, a type of leaf shutter consisting of a number of thin blades in a camera


See also[edit]