Imaging recource: A simple guide to ISO: What happens when you increase your camera’s gain

    Have you ever wondered what is actually going on with your sensor when you increase your ISO? Why do images get noisier? Youtuber Dylan Bennett put together an excellent video that explains ISO in simple terms. Considering the image sensor itself, made up of millions of tiny sensors -- aka photosites -- which all receive light and then record that light to each pixel that makes up an image. If we think about just one of these tiny individual sensors, it receives red, green, and blue light. The sensor takes this incoming light and...
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