👉 Thru computing, also known as through-the-lens or TTL, is a method used in digital photography to measure and control exposure accurately. It involves using the camera's built-in sensor, typically a light meter, to analyze the light falling on the subject and determine optimal exposure settings like aperture, shutter speed, and ISO. This sensor provides real-time feedback to the camera's processor, which then adjusts these settings automatically to achieve a well-exposed image. Thru computing is particularly useful for photographers who want precise control over exposure without relying solely on manual adjustments, making it easier to capture high-quality images in various lighting conditions.
