From the course: Canon 5D Mark III Essential Training

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Metering basics

Metering basics - 5D Tutorial

From the course: Canon 5D Mark III Essential Training

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Metering basics

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In the last movie, you saw how when I half-pressed the shutter button, the camera autofocuses on my scene, but it does another critical step, which is it meters the scene. That is, it measures the light in the scene, and calculates a shutter speed, and an aperture that will render the scene with a nice level of overall illumination. After it's done that metering, it shows me the shutter speed and aperture that it came up with, and it shows it in a couple of different places. First, I've got here in my status display on the top of the camera. Shutter speed is one 1/100th a second at f/4, but it also shows it in the viewfinder down below the image, along with a lot of other status information. It is critical that you pay attention to that shutter speed number. We're here in Intelligent Auto mode, where I don't have a lot of control, but I do want to know if shutter speed at the moment is going to be too slow for handheld shooting. If it's much less than a 60th of a second, there's a…

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