What is the F 16 rule?

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The rule says that on a bright sunny day, set your f-stop to F16, and your shutter speed to the reciprocal of your film's speed (ISO). So if you're shooting Portra 400 film, the speed is 400 and the rule would have you shoot at 1/250 or 1/500.

anonymous · Answer 1

The rule says that on a bright sunny day, set your f-stop to F16, and your shutter speed to the reciprocal of your film's speed (ISO). So if you're shooting Portra 400 film, the speed is 400 and the rule would have you shoot at 1/250 or 1/500.

What is the F 16 rule?

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What is the F 16 rule?

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1 Answer

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