photoQualityPriorization property
The priorization of still image quality and capturing speed. Defaults to CapturePhotoQualityPrioritizationBalanced. If you experience lots of blurry still images try to set this property to CapturePhotoQualityPrioritizationQuality. Note: Has no effect on devices prior to iOS 13.0!. iOS only.
Implementation
CapturePhotoQualityPrioritization? photoQualityPriorization;