Exposure Basics: Shutter Speed, ISO and Manual

Shutter speed freezes a moment or lets it blur; ISO sets how far the sensor can be pushed before noise creeps in. These ten lessons explain shutter speed and shutter priority, show slow shutters at work on waterfalls, seascapes and moving subjects, make sense of auto ISO, and bring aperture, shutter and ISO together so that manual mode becomes a set of deliberate choices rather than guesswork.