From the course: Canon 5D Mark III Essential Training

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Revisiting metering

Revisiting metering - 5D Tutorial

From the course: Canon 5D Mark III Essential Training

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Revisiting metering

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As you've seen, when you half-press the shutter button, the camera autofocuses, meters, and possibly calculates white balance, and ISO, depending on your camera settings. When the camera has decided on all of those parameters, it beeps, and it flashes a light in the Viewfinder. If you want, you can continue to hold the button down at the halfway point while you reframe your shot. Now, this is sometimes necessary to get the focus and metering that you want. Once you're ready to take the shot, you can press the button the rest of the way. So once again, metering is very simple. I just press -- half-press the shutter button, and when I hear that beep, that means that the camera has metered, and autofocused, and I see my metering readings inside the Viewfinder; in this case, it's 1/200 at f/4.5. Now, one bit of very important metering behavior on your camera: when you half-press that shutter button to meter, as long as you hold the button down, the camera will hold that same metering…

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