Ask a Question

What is the ISO 400 rule for Sunny 16?

0 votes
10 views
by
What is the ISO 400 rule for Sunny 16?

1 Answer

0 votes
by
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.
Powered by Question2Answer
...