From the course: Lighting a Video Interview

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ISO

ISO

Now what's happening here though is you drop the camera into an auto ISO mode and I'm starting to see some noise in the blacks here. So, this really sort of points out the issue with the exposure triangles as you pull on one side. You have to give on the other. So, as we're working with this, you already mentioned that shutter speed is controlling, sort of the, amount of streak or motion blur. Which, makes absolute sense. And the aperture is controlling how shallow the depth of field is. Well in this case, as you stop down the aperture, the ISO had to go up. The trade off with high ISO is noise so we really need to balance this out, so let's take it out of auto ISO and maybe go to something more reasonable in the middle. So we'll just set it on a manual setting, we're going to go to, let's just say 800. And that's a pretty reasonable value with this camera. Other cameras you can go a bit higher. But as you increase ISO, it's going to go ahead and get noisy or grainier. Right? >>…

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