<!--
{
  "availability" : [
    "iOS: -",
    "iPadOS: -",
    "macCatalyst: -",
    "macOS: -",
    "tvOS: -",
    "visionOS: -"
  ],
  "documentType" : "symbol",
  "framework" : "CoreImage",
  "identifier" : "/documentation/CoreImage/CIZoomBlur",
  "metadataVersion" : "0.1.0",
  "role" : "Protocol",
  "symbol" : {
    "kind" : "Protocol",
    "modules" : [
      "Core Image"
    ],
    "preciseIdentifier" : "c:objc(pl)CIZoomBlur"
  },
  "title" : "CIZoomBlur"
}
-->

# CIZoomBlur

The properties you use to configure a zoom blur filter.

```
protocol CIZoomBlur : CIFilterProtocol
```

## Topics

### Instance Properties

[`amount`](/documentation/CoreImage/CIZoomBlur/amount)

The zoom-in amount.

[`center`](/documentation/CoreImage/CIZoomBlur/center)

The center of the effect, as x and y coordinates.

[`inputImage`](/documentation/CoreImage/CIZoomBlur/inputImage)

The image to use as an input image.

## See Also

[`zoomBlur()`](/documentation/CoreImage/CIFilter-swift.class/zoomBlur())

Creates a zoom blur centered around a single point on the image.


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)