---
title: baselineExposure
framework: coreimage
role: symbol
role_heading: Type Property
path: coreimage/cirawfilteroption/baselineexposure
---

# baselineExposure

The amount of baseline exposure applied.

## Declaration

```swift
static let baselineExposure: CIRAWFilterOption
```

## Discussion

Discussion A key for an NSNumber object containing a float that expresses the amount of baseline exposure applied to an image. Discussion A value of 0 indicates linear response.  The default varies with camera settings.

## See Also

### Type Properties

- [activeKeys](coreimage/cirawfilteroption/activekeys.md)
- [allowDraftMode](coreimage/cirawfilteroption/allowdraftmode.md)
- [boostAmount](coreimage/cirawfilteroption/boostamount.md)
- [boostShadowAmount](coreimage/cirawfilteroption/boostshadowamount.md)
- [ciInputEnableEDRModeKey](coreimage/cirawfilteroption/ciinputenableedrmodekey.md)
- [ciInputLocalToneMapAmountKey](coreimage/cirawfilteroption/ciinputlocaltonemapamountkey.md)
- [colorNoiseReductionAmount](coreimage/cirawfilteroption/colornoisereductionamount.md)
- [decoderVersion](coreimage/cirawfilteroption/decoderversion.md)
- [disableGamutMap](coreimage/cirawfilteroption/disablegamutmap.md)
- [enableChromaticNoiseTracking](coreimage/cirawfilteroption/enablechromaticnoisetracking.md)
- [enableSharpening](coreimage/cirawfilteroption/enablesharpening.md)
- [enableVendorLensCorrection](coreimage/cirawfilteroption/enablevendorlenscorrection.md)
- [ignoreImageOrientation](coreimage/cirawfilteroption/ignoreimageorientation.md)
- [imageOrientation](coreimage/cirawfilteroption/imageorientation.md)
- [linearSpaceFilter](coreimage/cirawfilteroption/linearspacefilter.md)