---
title: intrinsicMatrixReferenceDimensions
framework: coremedia
role: symbol
role_heading: Instance Property
path: coremedia/cmformatdescription/extensions-swift.struct/value/cameracalibrationdatalenscollection/calibration/intrinsicmatrixreferencedimensions
---

# intrinsicMatrixReferenceDimensions

Image dimensions to which the camera’s intrinsic matrix values are relative.

## Declaration

```swift
var intrinsicMatrixReferenceDimensions: CGSize
```