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bassfisherman Mar 11, 2005 8:50 PM


Quick question.What is TTL on a external flash

Thanks Brett:cool:

Stevekin Mar 11, 2005 10:21 PM

Quick answer.

Courtesy of,

With TTL flash the camera measures the intensity of flash light (illumination) falling on the CCD and integrates it over elapsed time until a predefined threshold light energy is reached. At that time the camera quenches the flash output and exposure is terminated.


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