---
title: kCVImageBufferCleanApertureWidthKey
framework: corevideo
role: symbol
role_heading: Global Variable
path: corevideo/kcvimagebuffercleanaperturewidthkey
---

# kCVImageBufferCleanApertureWidthKey

A key to the clean aperture width of the image buffer.

## Declaration

```swift
let kCVImageBufferCleanApertureWidthKey: CFString
```

## Discussion

Discussion The clean aperture width value is of type CFNumber.

## See Also

### Constants

- [kCVImageBufferCleanApertureHeightKey](corevideo/kcvimagebuffercleanapertureheightkey.md)
- [kCVImageBufferCleanApertureHorizontalOffsetKey](corevideo/kcvimagebuffercleanaperturehorizontaloffsetkey.md)
- [kCVImageBufferCleanApertureVerticalOffsetKey](corevideo/kcvimagebuffercleanapertureverticaloffsetkey.md)