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It's time for everyone's favorite segment: Science with iFixit! We decided to have a little bit of fun with the Hero3's lens and one of our iFixit Guitar Picks.

For this simple demonstration, we placed a guitar pick in front of the lens upside-down and looked through the glass. As you can see, the upside-down graphic has been flipped right-side up!

So, if the lens flips the image, why aren't all of the pictures from our digital cameras inverted?

Well, just like the lens of our eyeball, anything viewed through an optical lens appears upside-down until it's fed through a processor of some kind. For a digital camera, that processor is an integrated circuit. Our vision, on the other hand, utilizes the most advanced processor in the world to flip the image around: the human brain.

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