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# isCameraCalibrationDataDeliveryEnabled

A Boolean value that determines whether a dual photo capture also delivers camera calibration data.

```
var isCameraCalibrationDataDeliveryEnabled: Bool { get set }
```

## Discussion

When this setting is <doc://com.apple.documentation/documentation/Swift/false> (the default), and the [`isDualCameraDualPhotoDeliveryEnabled`](/documentation/AVFoundation/AVCapturePhotoSettings/isDualCameraDualPhotoDeliveryEnabled) setting is <doc://com.apple.documentation/documentation/Swift/true>, dual photo capture doesn’t deliver additional data.

If you change this setting to <doc://com.apple.documentation/documentation/Swift/true>, the [`AVCapturePhoto`](/documentation/AVFoundation/AVCapturePhoto) results from a dual photo capture include [`AVCameraCalibrationData`](/documentation/AVFoundation/AVCameraCalibrationData) objects that describe the imaging parameters for each camera. This data can be useful for performing computer vision tasks on the resulting images.

---

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