Sunny 16 rule

Non classé

The Sunny 16 rule is a method of estimating correct daylight exposures without a light meter.

“On a sunny day set aperture to f/16 and shutter speed to the [reciprocal of the] ISO film speed [or ISO setting] for a subject in direct sunlight.”

Therefore :

  • 1/100 sec @ ISO 100, f/16
  • 1/200 sec @ ISO 100, f/11
  • 1/400 sec @ ISO 100, f/8
  • 1/800 sec @ ISO 100, f/5.6
  • 1/1600 sec @ ISO 100, f/4
  • 1/3200 sec @ ISO 100, f/2.8
  • 1/6400 sec @ ISO 100, f/2.0
  • 1/12800 sec @ ISO 100, f/1.4

sunny-16

Reminder : The square root of two.
When you reduce the distance subject-camera of 1, you decrease the aperture of 2 stops.

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