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Course 321 · Lesson 05

The Science of Style: Technical Mastery as Creative Control

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The Reciprocity Law — Practical Field Combinations

321.5 Lesson 05 of 08 3 quiz questions 1 assignment

The reciprocity law — sometimes called the common sense of photography — states that many different combinations of shutter speed and f-number can produce the same correct exposure, each with different visual effects. This lesson maps the practical implications in the field: how a fast shutter freezes action while a slow shutter produces motion blur, the rule of thumb for…

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