---
title: kCGImagePropertyDNGChromaBlurRadius
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertydngchromablurradius
---

# kCGImagePropertyDNGChromaBlurRadius

A hint to the DNG reader about how much chroma blur to apply to the image.

## Declaration

```swift
let kCGImagePropertyDNGChromaBlurRadius: CFString
```

## See Also

### Quality

- [kCGImagePropertyDNGBaselineSharpness](imageio/kcgimagepropertydngbaselinesharpness.md)
- [kCGImagePropertyDNGLinearResponseLimit](imageio/kcgimagepropertydnglinearresponselimit.md)
- [kCGImagePropertyDNGAntiAliasStrength](imageio/kcgimagepropertydngantialiasstrength.md)
- [kCGImagePropertyDNGShadowScale](imageio/kcgimagepropertydngshadowscale.md)
- [kCGImagePropertyDNGBestQualityScale](imageio/kcgimagepropertydngbestqualityscale.md)
- [kCGImagePropertyDNGDefaultScale](imageio/kcgimagepropertydngdefaultscale.md)
- [kCGImagePropertyDNGLinearizationTable](imageio/kcgimagepropertydnglinearizationtable.md)