---
title: kCGImagePropertyExifAuxLensSerialNumber
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertyexifauxlensserialnumber
---

# kCGImagePropertyExifAuxLensSerialNumber

The lens serial number.

## Declaration

```swift
let kCGImagePropertyExifAuxLensSerialNumber: CFString
```

## See Also

### Auxiliary Keys

- [kCGImagePropertyExifAuxLensInfo](imageio/kcgimagepropertyexifauxlensinfo.md)
- [kCGImagePropertyExifAuxLensModel](imageio/kcgimagepropertyexifauxlensmodel.md)
- [kCGImagePropertyExifAuxSerialNumber](imageio/kcgimagepropertyexifauxserialnumber.md)
- [kCGImagePropertyExifAuxLensID](imageio/kcgimagepropertyexifauxlensid.md)
- [kCGImagePropertyExifAuxImageNumber](imageio/kcgimagepropertyexifauximagenumber.md)
- [kCGImagePropertyExifAuxFlashCompensation](imageio/kcgimagepropertyexifauxflashcompensation.md)
- [kCGImagePropertyExifAuxOwnerName](imageio/kcgimagepropertyexifauxownername.md)
- [kCGImagePropertyExifAuxFirmware](imageio/kcgimagepropertyexifauxfirmware.md)