From the course: Canon 5D Mark III Essential Training

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Using the mirror lockup feature

Using the mirror lockup feature - 5D Tutorial

From the course: Canon 5D Mark III Essential Training

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Using the mirror lockup feature

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When you're shooting an exposure of a second or two long, you want to be very careful to ensure that the camera doesn't shake, so typically, you put the camera on a tripod, and maybe you use a remote control to ensure that your hands don't touch the camera, but even with all of that, the camera can still pick up some vibration from its mirror flapping up and down. Depending on the length of your exposure, that little bit of vibration can cause a softening in your image. Your camera includes a feature that can help you prevent this problem. The mirror lockup feature is located here in the first shooting menu, down at the bottom of the page. If I just scroll down here, you see that the default is Off. So I'm going to hit the Set button to go in here, and hit Enable, and now I've got my mirror lockup icon; that's supposed to be a little mirror hanging down, and there is an arrow indicating it's swinging upward. So you can just imagine what's happening in the camera when this goes on…

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