Instead of manually setting flash power, the camera and flash communicate to determine settings.
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
: The flash fires at that specific power as the shutter opens. Instead of manually setting flash power, the camera
: The camera's sensor measures the light reflected back from the subject. Instead of manually setting flash power
: It instantly calculates the power needed to achieve a "neutral" exposure (aiming for 18% gray).
: The flash sends a quick, low-power burst before the main exposure.