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Note that unlike f-stop and shutter speed, ISO values are never provided in half-stop increments. Your camera will either allow you to choose ISO in one-stop, or third-stop increments. Also note that towards the bottom of the chart, some of the third-stop options are listed as n/a. Currently there are no cameras on the market that allow the selection of those n/a options.
Think You Know It All?
This short downloadable quiz has been designed to help you learn more about the basics of exposure, and the three pillars of the exposure triangle. Are you ready for manual mode on your camera? Take the test!