0xc61cTag ID (50716 decimal)
SubIFD
IFD / group
rational64s!
Data type
EXIF
Table
What BlackLevelDeltaV means#
The BlackLevelDeltaV tag stored in the SubIFD directory.
Read, write and remove it#
# read
exiftool -BlackLevelDeltaV photo.jpg
# write
exiftool -BlackLevelDeltaV="…" photo.jpg
# remove
exiftool -BlackLevelDeltaV= photo.jpg
# all files in a folder, as CSV
exiftool -csv -BlackLevelDeltaV -r ./photos > black-level-delta-v.csvIn Python with Pillow:
from PIL import Image
exif = Image.open("photo.jpg").getexif()
value = exif.get(0xc61c) # BlackLevelDeltaV
print(value)Other SubIFD tags#
- VignettingCorrection
0x7031 - VignettingCorrParams
0x7032 - ChromaticAberrationCorrection
0x7034 - ChromaticAberrationCorrParams
0x7035 - DistortionCorrection
0x7036 - DistortionCorrParams
0x7037 - SonyRawImageSize
0x7038 - BlackLevel
0x7310 - WB_RGGBLevels
0x7313 - SonyCropTopLeft
0x74c7 - SonyCropSize
0x74c8 - CFARepeatPatternDim
0x828d - CFAPattern2
0x828e - LinearizationTable
0xc618 - BlackLevelRepeatDim
0xc619 - BlackLevelDeltaH
0xc61b - WhiteLevel
0xc61d - DefaultScale
0xc61e - DefaultCropOrigin
0xc61f - DefaultCropSize
0xc620 - BayerGreenSplit
0xc62d - ChromaBlurRadius
0xc631 - AntiAliasStrength
0xc632 - BestQualityScale
0xc65c - ActiveArea
0xc68d - MaskedAreas
0xc68e - NoiseReductionApplied
0xc6f7 - OpcodeList1
0xc740 - OpcodeList2
0xc741 - OpcodeList3
0xc74e
Frequently asked questions#
What is the EXIF tag ID of BlackLevelDeltaV?
0xc61c (50716 decimal), in the SubIFD directory.
How do I see BlackLevelDeltaV in a photo?
Run exiftool -BlackLevelDeltaV photo.jpg, or open the file's info panel in Lightroom, Photoshop, Windows (Properties → Details) or macOS Preview (Tools → Show Inspector).
Last updated October 03, 2026 · How we calculate · Sources