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Course 321 · Lesson 04

The Science of Style: Technical Mastery as Creative Control

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ISO — Sensitivity, Graininess, and the Creative Use of Noise

321.4 Lesson 04 of 08 3 quiz questions 1 assignment

ISO measures the sensitivity of the film or sensor to light. Increase ISO and you gain control over shutter speed in low light — but at the cost of graininess or digital noise. This lesson studies the full ISO relationship: how grain and noise appear, when they are a technical failure versus an artistic choice, and how the creative use…

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