#StackBounty: #ios #avfoundation #avcapturesession #autofocus #avcapturedevice AVCaptureDeviceFormat 1080p 60 fps Autofocus issue

Bounty: 100

I noticed that AVCaptureDeviceFormat 1080p 60 fps on iPhone 6s does not supports focus pixels, so in low light conditions the camera continues to autofocus when moved. This creates an issue with video recording as focus hunting is an issue. However the native camera app works wonderfully with 1080p 60 fps setting without any focus hunting in the same scenario. How does native camera achieve it? I tried locking focus before recording and also tried setting device.smoothAutoFocusEnabled to YES but the results are still not good enough like native Camera app. Any ideas ?

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