<!--
{
  "documentType" : "article",
  "framework" : "CoreMedia",
  "identifier" : "/documentation/CoreMedia/camera-calibration-constants",
  "metadataVersion" : "0.1.0",
  "role" : "collectionGroup",
  "title" : "Camera calibration"
}
-->

# Camera calibration

Constants that identify camera calibration extensions.

## Topics

### Constants

[`let kCMFormatDescriptionExtension_CameraCalibrationDataLensCollection: CFString`](/documentation/CoreMedia/kCMFormatDescriptionExtension_CameraCalibrationDataLensCollection)

[`let kCMFormatDescriptionCameraCalibration_ExtrinsicOrientationQuaternion: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_ExtrinsicOrientationQuaternion)

[`let kCMFormatDescriptionCameraCalibration_ExtrinsicOriginSource: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_ExtrinsicOriginSource)

[`let kCMFormatDescriptionCameraCalibration_IntrinsicMatrix: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_IntrinsicMatrix)

[`let kCMFormatDescriptionCameraCalibration_IntrinsicMatrixProjectionOffset: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_IntrinsicMatrixProjectionOffset)

[`let kCMFormatDescriptionCameraCalibration_IntrinsicMatrixReferenceDimensions: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_IntrinsicMatrixReferenceDimensions)

[`let kCMFormatDescriptionCameraCalibration_LensAlgorithmKind: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_LensAlgorithmKind)

[`let kCMFormatDescriptionCameraCalibration_LensDistortions: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_LensDistortions)

[`let kCMFormatDescriptionCameraCalibration_LensDomain: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_LensDomain)

[`let kCMFormatDescriptionCameraCalibration_LensFrameAdjustmentsPolynomialX: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_LensFrameAdjustmentsPolynomialX)

[`let kCMFormatDescriptionCameraCalibration_LensFrameAdjustmentsPolynomialY: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_LensFrameAdjustmentsPolynomialY)

[`let kCMFormatDescriptionCameraCalibration_LensIdentifier: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_LensIdentifier)

[`let kCMFormatDescriptionCameraCalibration_LensRole: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_LensRole)

[`let kCMFormatDescriptionCameraCalibration_RadialAngleLimit: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibration_RadialAngleLimit)

[`let kCMFormatDescriptionCameraCalibrationExtrinsicOriginSource_StereoCameraSystemBaseline: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibrationExtrinsicOriginSource_StereoCameraSystemBaseline)

[`let kCMFormatDescriptionCameraCalibrationLensAlgorithmKind_ParametricLens: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibrationLensAlgorithmKind_ParametricLens)

[`let kCMFormatDescriptionCameraCalibrationLensDomain_Color: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibrationLensDomain_Color)

[`let kCMFormatDescriptionCameraCalibrationLensRole_Left: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibrationLensRole_Left)

[`let kCMFormatDescriptionCameraCalibrationLensRole_Mono: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibrationLensRole_Mono)

[`let kCMFormatDescriptionCameraCalibrationLensRole_Right: CFString`](/documentation/CoreMedia/kCMFormatDescriptionCameraCalibrationLensRole_Right)


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)