From the course: Canon 5D Mark III Essential Training

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Powering up

Powering up - 5D Tutorial

From the course: Canon 5D Mark III Essential Training

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Powering up

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It may seem strange to devote an entire movie just to turning your camera on, but a lot of things happen when you power up your camera, and it's important to understand what they are, and how you can alter them. One of the most important things that happens when you turn the camera on has to do with the image sensor that sits inside the camera. Because the lens of the camera is removable, it's possible for dust to get inside the camera body, and then get on the sensor, and if that happens, you're going to see smudges, and spots, and things on your image. There is a clear filter that sits in front of the image sensor, so dust never actually gets on the sensor itself; it gets on that filter. When you turn the camera on, it shakes the filter at a really high speed to shake off any dust, and there's a little sticky substance or something beneath the filter that traps any dust bits that fall off. The power switch on your Mark III is located right here underneath the Mode dial. You're going…

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