Commonly used when talking about either an autofocus or auto exposure system that works through the camera's lens
E-TTL - Canon's Evaluative-TTL exposure system that uses a brief pre-flash before the main flash to calculate the exposure index.
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Commonly used when talking about either an autofocus or auto exposure system that works through the camera's lens E-TTL - Canon's Evaluative-TTL exposure system that uses a brief pre-flash before the main flash to calculate the exposure index. |