Exposure & Metering Crossword

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Across
  1. 2. the aperture to a smaller opening decrease the amount of light reaching the sensor plane
  2. 5. amount of time light hits the sensor
  3. 7. determines amount of light needed to make a proper exposure
  4. 8. Illuminance x Time
Down
  1. 1. focal length of lens/diameter of aperture
  2. 3. the aperture increase the amount of light reaching the sensor plane
  3. 4. Full step changes in exposure, whether shutter speed, aperture, or ISO
  4. 6. size of the opening that lets in light