---
title: focalLength
framework: coreimage
role: symbol
role_heading: Instance Property
path: coreimage/ciperspectiverotate/focallength
---

# focalLength

The 35mm equivalent focal length of the input image.

## Declaration

```swift
var focalLength: Float { get set }
```

## See Also

### Instance Properties

- [inputImage](coreimage/ciperspectiverotate/inputimage.md)
- [pitch](coreimage/ciperspectiverotate/pitch.md)
- [roll](coreimage/ciperspectiverotate/roll.md)
- [yaw](coreimage/ciperspectiverotate/yaw.md)