Project 1 – Exposure

Light is measured by the camera’s light meter – but how does the camera translate this measurement into a usable exposure? In auto and semi-auto modes the light meter is calibrated to the mid-tone; this means that, after capture, the tone curve of the histogram will be centered around the middle of the graph. This works reasonably well if there’s an even spread of tones throughout the subject, but it doesn’t work so well if the subject is lighter or darker overall than the mid-tone

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