I am tring to control the ISO and the shutter speed for the iphone, but it has no API in AVFoundation. It can only change the exposure, wb for iphone.
How can i control the ISO or shutter speed?
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You unfortunately have very little control over the iPhone camera. You can only lock or unlock the exposure, white balance, and focus modes.
Camera+ actually does not have control over anything you described. It used to be able to as it hacked the hardware, which is naturally a great way to get your app rejected by the reviewers.
I hope that iOS6 will give developers greater control as it is a PITA.