From the course: Creating a Short Film: 07 Cinematography

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Adjusting ISO

Adjusting ISO

From the course: Creating a Short Film: 07 Cinematography

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Adjusting ISO

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- ISO refers to how sensitive the camera sensor is to light. As we increase the ISO, the sensor becomes more sensitive to light which increases our exposure. This can make it possible to shoot in conditions with very low light. But, this increased exposure, comes at a price. As we raise the ISO, we also increase the noise in the image. This is often difficult to see in monitors on set and can be difficult to remove in post-production, depending on the software that you're using. Some cameras, like my Cannon DSLR, create particularly ugly noise it doesn't look cinematic at all. From my experience, increasing the ISO too much also reduces the color fidelity and shifts the colors in an ugly way that's kind of tough to fix in post. It's important to note that different cameras handle the same ISO values differently so there aren't really absolutes here. So, for example, if somebody said they shot something at 1600 ISO, that doesn't really mean very much. On some cameras that value might…

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