---
title: kCVImageBufferPixelAspectRatioVerticalSpacingKey
framework: corevideo
role: symbol
role_heading: Global Variable
path: corevideo/kcvimagebufferpixelaspectratioverticalspacingkey
---

# kCVImageBufferPixelAspectRatioVerticalSpacingKey

A key to the vertical component of the image buffer aspect ratio.

## Declaration

```swift
let kCVImageBufferPixelAspectRatioVerticalSpacingKey: CFString
```

## Discussion

Discussion The vertical spacing value is of type CFNumber.

## See Also

### Constants

- [kCVImageBufferPixelAspectRatioHorizontalSpacingKey](corevideo/kcvimagebufferpixelaspectratiohorizontalspacingkey.md)