: The camera's sensor measures the light reflected back from the subject.
: It instantly calculates the power needed to achieve a "neutral" exposure (aiming for 18% gray). Ttl Models Images
is an automated camera technology that calculates the correct flash exposure by measuring light after it passes through the lens. 📸 What is TTL? : The camera's sensor measures the light reflected
Instead of manually setting flash power, the camera and flash communicate to determine settings. low-power burst before the main exposure.
: The flash fires at that specific power as the shutter opens.
: The flash sends a quick, low-power burst before the main exposure.