The sensor's sensitivity to light. Higher ISOs allow for shooting in darker conditions but can introduce "noise" or graininess. Essential Bryan Peterson Books
: Using wide apertures (f/2.8, f/4) to blur the background and isolate a single subject. Light Metering The sensor's sensitivity to light
He is known for "aha" moments, using plain language and visual comparisons to explain the physics of light and camera mechanics. Key Media Formats: His foundational works include Understanding Exposure Understanding Shutter Speed Learning to See Creatively Field Guides: Compact versions like the Understanding Photography Field Guide The sensor's sensitivity to light