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: The flash fires at that specific power as the shutter opens.
: The flash sends a quick, low-power burst before the main exposure. Ttl Models Images
: It instantly calculates the power needed to achieve a "neutral" exposure (aiming for 18% gray). : The flash fires at that specific power
is an automated camera technology that calculates the correct flash exposure by measuring light after it passes through the lens. 📸 What is TTL? Ttl Models Images