Digital Camera Tutorial: Exposure & Metering

Most photographers rely almost exclusively on the automatic lightmeter in their camera to produce an accurate exposure, and under most circumstances this is not a problem. The through-the-lens (TTL) multi-segment evaluative lightmeters found on most modern good quality cameras are very sophisticated, and can cope with most situations quite adequately. However even the best meter can be fooled by unusual lighting conditions or very high contrast scenes into producing under- or over-exposed images.

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