---
title: cameraIntrinsics
framework: vision
role: symbol
role_heading: Type Property
path: vision/vnimageoption/cameraintrinsics
---

# cameraIntrinsics

An option to specify the camera intrinstics.

## Declaration

```swift
static let cameraIntrinsics: VNImageOption
```

## Discussion

Discussion The camera intrinsics matrix is a CFData instance containing a matrix_float3x3, which is a column-major matrix:

fx and fy are the focal length in pixels. For square pixels, they have the same value. ox and oy are the coordinates of the principal point.  The origin is the upper-left corner of the frame.

## See Also

### Options Dictionary Keys

- [properties](vision/vnimageoption/properties.md)
- [ciContext](vision/vnimageoption/cicontext.md)