Mastering Aperture, Shutter Speed, ISO and Exposure
by Al Judge · Al Judge
A short, self-published primer on how aperture, shutter speed and ISO interact to set exposure. It explains each setting's creative side effects and how to read the light meter, so beginners can leave auto mode and shoot in manual.
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More resources on Exposure (Aperture, Shutter, ISO)
Digital Photography School - Exposure Triangle
Free introductory article explaining the exposure triangle: how aperture, shutter speed and ISO each change image brightness and their side effects on depth of field, motion blur and noise, so you can trade one setting against another deliberately.
Cambridge in Colour - Exposure Tutorial
Illustrated tutorial on camera exposure using interactive diagrams to show how aperture, shutter speed and ISO combine. It explains stops, exposure trade-offs and their effects on depth of field, motion and noise, giving a foundation for choosing settings manually.