---
title: DNG Image Properties
framework: imageio
role: collectionGroup
role_heading: API Collection
path: imageio/dng-image-properties
---

# DNG Image Properties

Metadata keys for the Digital Negative (DNG) archival format.

## Overview

Overview For more information about the DNG format, see Digital Negative (DNG) Specification at www.adobe.com.

## Topics

### Dictionary

- [kCGImagePropertyDNGDictionary](imageio/kcgimagepropertydngdictionary.md)

### Quality

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

### Exposure

- [kCGImagePropertyDNGBaselineExposure](imageio/kcgimagepropertydngbaselineexposure.md)
- [kCGImagePropertyDNGBaselineNoise](imageio/kcgimagepropertydngbaselinenoise.md)
- [kCGImagePropertyDNGBaselineExposureOffset](imageio/kcgimagepropertydngbaselineexposureoffset.md)

### Color Balance

- [kCGImagePropertyDNGAnalogBalance](imageio/kcgimagepropertydnganalogbalance.md)
- [kCGImagePropertyDNGAsShotNeutral](imageio/kcgimagepropertydngasshotneutral.md)
- [kCGImagePropertyDNGAsShotWhiteXY](imageio/kcgimagepropertydngasshotwhitexy.md)
- [kCGImagePropertyDNGBayerGreenSplit](imageio/kcgimagepropertydngbayergreensplit.md)
- [kCGImagePropertyDNGForwardMatrix1](imageio/kcgimagepropertydngforwardmatrix1.md)
- [kCGImagePropertyDNGForwardMatrix2](imageio/kcgimagepropertydngforwardmatrix2.md)
- [kCGImagePropertyDNGDefaultBlackRender](imageio/kcgimagepropertydngdefaultblackrender.md)

### Color Calibration

- [kCGImagePropertyDNGBlackLevelRepeatDim](imageio/kcgimagepropertydngblacklevelrepeatdim.md)
- [kCGImagePropertyDNGBlackLevel](imageio/kcgimagepropertydngblacklevel.md)
- [kCGImagePropertyDNGBlackLevelDeltaH](imageio/kcgimagepropertydngblackleveldeltah.md)
- [kCGImagePropertyDNGBlackLevelDeltaV](imageio/kcgimagepropertydngblackleveldeltav.md)
- [kCGImagePropertyDNGWhiteLevel](imageio/kcgimagepropertydngwhitelevel.md)
- [kCGImagePropertyDNGCalibrationIlluminant1](imageio/kcgimagepropertydngcalibrationilluminant1.md)
- [kCGImagePropertyDNGCalibrationIlluminant2](imageio/kcgimagepropertydngcalibrationilluminant2.md)
- [kCGImagePropertyDNGColorMatrix1](imageio/kcgimagepropertydngcolormatrix1.md)
- [kCGImagePropertyDNGColorMatrix2](imageio/kcgimagepropertydngcolormatrix2.md)
- [kCGImagePropertyDNGCameraCalibration1](imageio/kcgimagepropertydngcameracalibration1.md)
- [kCGImagePropertyDNGCameraCalibration2](imageio/kcgimagepropertydngcameracalibration2.md)
- [kCGImagePropertyDNGReductionMatrix1](imageio/kcgimagepropertydngreductionmatrix1.md)
- [kCGImagePropertyDNGReductionMatrix2](imageio/kcgimagepropertydngreductionmatrix2.md)
- [kCGImagePropertyDNGAsShotICCProfile](imageio/kcgimagepropertydngasshoticcprofile.md)
- [kCGImagePropertyDNGAsShotPreProfileMatrix](imageio/kcgimagepropertydngasshotpreprofilematrix.md)
- [kCGImagePropertyDNGCurrentICCProfile](imageio/kcgimagepropertydngcurrenticcprofile.md)
- [kCGImagePropertyDNGCurrentPreProfileMatrix](imageio/kcgimagepropertydngcurrentpreprofilematrix.md)
- [kCGImagePropertyDNGColorimetricReference](imageio/kcgimagepropertydngcolorimetricreference.md)
- [kCGImagePropertyDNGCameraCalibrationSignature](imageio/kcgimagepropertydngcameracalibrationsignature.md)
- [kCGImagePropertyDNGProfileCalibrationSignature](imageio/kcgimagepropertydngprofilecalibrationsignature.md)

### Crop Data

- [kCGImagePropertyDNGActiveArea](imageio/kcgimagepropertydngactivearea.md)
- [kCGImagePropertyDNGMaskedAreas](imageio/kcgimagepropertydngmaskedareas.md)
- [kCGImagePropertyDNGDefaultCropOrigin](imageio/kcgimagepropertydngdefaultcroporigin.md)
- [kCGImagePropertyDNGDefaultCropSize](imageio/kcgimagepropertydngdefaultcropsize.md)
- [kCGImagePropertyDNGDefaultUserCrop](imageio/kcgimagepropertydngdefaultusercrop.md)

### RAW Data

- [kCGImagePropertyDNGOriginalRawFileName](imageio/kcgimagepropertydngoriginalrawfilename.md)
- [kCGImagePropertyDNGOriginalRawFileData](imageio/kcgimagepropertydngoriginalrawfiledata.md)
- [kCGImagePropertyDNGNoiseReductionApplied](imageio/kcgimagepropertydngnoisereductionapplied.md)
- [kCGImagePropertyDNGNewRawImageDigest](imageio/kcgimagepropertydngnewrawimagedigest.md)
- [kCGImagePropertyDNGOriginalRawFileDigest](imageio/kcgimagepropertydngoriginalrawfiledigest.md)
- [kCGImagePropertyDNGRawImageDigest](imageio/kcgimagepropertydngrawimagedigest.md)
- [kCGImagePropertyDNGOriginalDefaultFinalSize](imageio/kcgimagepropertydngoriginaldefaultfinalsize.md)
- [kCGImagePropertyDNGOriginalBestQualityFinalSize](imageio/kcgimagepropertydngoriginalbestqualityfinalsize.md)
- [kCGImagePropertyDNGOriginalDefaultCropSize](imageio/kcgimagepropertydngoriginaldefaultcropsize.md)
- [kCGImagePropertyDNGRawToPreviewGain](imageio/kcgimagepropertydngrawtopreviewgain.md)
- [kCGImagePropertyDNGNoiseProfile](imageio/kcgimagepropertydngnoiseprofile.md)
- [kCGImagePropertyDNGCFALayout](imageio/kcgimagepropertydngcfalayout.md)
- [kCGImagePropertyDNGCFAPlaneColor](imageio/kcgimagepropertydngcfaplanecolor.md)
- [kCGImagePropertyDNGOpcodeList1](imageio/kcgimagepropertydngopcodelist1.md)
- [kCGImagePropertyDNGOpcodeList2](imageio/kcgimagepropertydngopcodelist2.md)
- [kCGImagePropertyDNGOpcodeList3](imageio/kcgimagepropertydngopcodelist3.md)
- [kCGImagePropertyDNGWarpRectilinear](imageio/kcgimagepropertydngwarprectilinear.md)
- [kCGImagePropertyDNGWarpFisheye](imageio/kcgimagepropertydngwarpfisheye.md)
- [kCGImagePropertyDNGFixVignetteRadial](imageio/kcgimagepropertydngfixvignetteradial.md)

### Image File Data

- [kCGImagePropertyDNGPrivateData](imageio/kcgimagepropertydngprivatedata.md)
- [kCGImagePropertyDNGMakerNoteSafety](imageio/kcgimagepropertydngmakernotesafety.md)
- [kCGImagePropertyDNGRawDataUniqueID](imageio/kcgimagepropertydngrawdatauniqueid.md)
- [kCGImagePropertyDNGSubTileBlockSize](imageio/kcgimagepropertydngsubtileblocksize.md)
- [kCGImagePropertyDNGRowInterleaveFactor](imageio/kcgimagepropertydngrowinterleavefactor.md)
- [kCGImagePropertyDNGBackwardVersion](imageio/kcgimagepropertydngbackwardversion.md)
- [kCGImagePropertyDNGVersion](imageio/kcgimagepropertydngversion.md)

### Profile Data

- [kCGImagePropertyDNGExtraCameraProfiles](imageio/kcgimagepropertydngextracameraprofiles.md)
- [kCGImagePropertyDNGAsShotProfileName](imageio/kcgimagepropertydngasshotprofilename.md)
- [kCGImagePropertyDNGProfileHueSatMapDims](imageio/kcgimagepropertydngprofilehuesatmapdims.md)
- [kCGImagePropertyDNGProfileHueSatMapData1](imageio/kcgimagepropertydngprofilehuesatmapdata1.md)
- [kCGImagePropertyDNGProfileHueSatMapData2](imageio/kcgimagepropertydngprofilehuesatmapdata2.md)
- [kCGImagePropertyDNGProfileHueSatMapEncoding](imageio/kcgimagepropertydngprofilehuesatmapencoding.md)
- [kCGImagePropertyDNGProfileToneCurve](imageio/kcgimagepropertydngprofiletonecurve.md)
- [kCGImagePropertyDNGProfileName](imageio/kcgimagepropertydngprofilename.md)
- [kCGImagePropertyDNGProfileEmbedPolicy](imageio/kcgimagepropertydngprofileembedpolicy.md)
- [kCGImagePropertyDNGProfileCopyright](imageio/kcgimagepropertydngprofilecopyright.md)
- [kCGImagePropertyDNGProfileLookTableDims](imageio/kcgimagepropertydngprofilelooktabledims.md)
- [kCGImagePropertyDNGProfileLookTableData](imageio/kcgimagepropertydngprofilelooktabledata.md)
- [kCGImagePropertyDNGProfileLookTableEncoding](imageio/kcgimagepropertydngprofilelooktableencoding.md)

### Preview

- [kCGImagePropertyDNGPreviewApplicationName](imageio/kcgimagepropertydngpreviewapplicationname.md)
- [kCGImagePropertyDNGPreviewApplicationVersion](imageio/kcgimagepropertydngpreviewapplicationversion.md)
- [kCGImagePropertyDNGPreviewSettingsName](imageio/kcgimagepropertydngpreviewsettingsname.md)
- [kCGImagePropertyDNGPreviewSettingsDigest](imageio/kcgimagepropertydngpreviewsettingsdigest.md)
- [kCGImagePropertyDNGPreviewColorSpace](imageio/kcgimagepropertydngpreviewcolorspace.md)
- [kCGImagePropertyDNGPreviewDateTime](imageio/kcgimagepropertydngpreviewdatetime.md)

### Camera Details

- [kCGImagePropertyDNGLensInfo](imageio/kcgimagepropertydnglensinfo.md)
- [kCGImagePropertyDNGUniqueCameraModel](imageio/kcgimagepropertydnguniquecameramodel.md)
- [kCGImagePropertyDNGLocalizedCameraModel](imageio/kcgimagepropertydnglocalizedcameramodel.md)
- [kCGImagePropertyDNGCameraSerialNumber](imageio/kcgimagepropertydngcameraserialnumber.md)

## See Also

### Format-Specific Properties

- [CIFF Image Properties](imageio/ciff-image-properties.md)
- [GIF Image Properties](imageio/gif-image-properties.md)
- [HEIC Image Properties](imageio/heic-image-properties.md)
- [JFIF Image Properties](imageio/jfif-image-properties.md)
- [PNG Image Properties](imageio/png-image-properties.md)
- [TGA Image Properties](imageio/tga-image-properties.md)
- [TIFF Image Properties](imageio/tiff-image-properties.md)
- [8BIM Image Properties](imageio/8bim-image-properties.md)