Equivalent Exposures

Here are some handy-dandy notes to help you remember equivalent exposures.
Equivalent=Same
The rule of equivalent exposure, in simplest terms, allows you to make the exact same (or let’s say, equivalent) exposure using different settings for aperture, shutter speed and ISO. The rule of equivalent exposure perfectly complements the Sunny 16 Rule.

stops-of-light1
Note that given a small aperture, you must use a long shutter speed to allow enough light to enter the camera, but that when you use a larger aperture, you can decrease shutter speed.

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