---
title: cameraCalibrationDataLensCollection
framework: coremedia
role: symbol
role_heading: Type Property
path: coremedia/cmformatdescription/extensions-swift.struct/key/cameracalibrationdatalenscollection
---

# cameraCalibrationDataLensCollection

Specifies intrinsic and extrinsic parameters for single or multiple lenses. The value for this key is represented by CMFormatDescription.Extensions.Value.CameraCalibrationDataLensCollection type.

## Declaration

```swift
static let cameraCalibrationDataLensCollection: CMFormatDescription.Extensions.Key
```