I understand shutter speed but what confuses me is ISO and Apeture. The Apeture is physically the opening which determines how much light comes in , but ISO determines how sensitive the camera is to exposed light.
In: Technology
ISO is how sensitive your camera is to light coming in. A high ISO means your camera is very sensitive to light, and will take pictures in dark places better at the cost of a grainier picture quality. Low ISO will take very crisp pictures in high-light scenarios. Aperture is the actual size of the the opening light is coming through, and controls how deep your field of focus is (i.e. is your foreground the only thing you can actually make out or not). Shutter speed is just how long the lens stays open for while shooting. High shutter speed=sharp photo, low shutter speed=blurrier.
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