eBook - ISO In Photography

A Photography eBook By John McLenaghan

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What's Inside

  • What Is ISO?
  • What Do The Numbers On My Camera Mean?
  • What Do Those Numbers Do?
  • Noise & Grain
  • The Latest Cameras

ISO is your camera’s sensor sensitivity to available light. The ISO setting on a DSLR or mirrorless camera controls this sensitivity. Along with APERTURE and SHUTTER SPEED, it makes up the exposure of any photograph.