Manual camera controls in iOS 8: Explained

[iMore.com]

While the Camera app in iOS 8 is only getting a few new features, the Camera application programming interfaces (API) ?*what developers use to make App Store camera apps ? is getting the most significant update in the history of the platform, including and especially manual controls for focus, exposure, and white balance. Not much will change for casual photographers, but for pros and enthusiasts, the best camera we have with us will be getting a whole lot better. So, how does it all work?

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