EXIF tag · IFD0

CalibrationIlluminant3

--> EXIF LightSource Values

0xcd31
Tag ID (52529 decimal)
IFD0
IFD / group
int16u!
Data type
EXIF
Table

What CalibrationIlluminant3 means#

--> EXIF LightSource Values

Read, write and remove it#

# read
exiftool -CalibrationIlluminant3 photo.jpg
# write
exiftool -CalibrationIlluminant3="…" photo.jpg
# remove
exiftool -CalibrationIlluminant3= photo.jpg
# all files in a folder, as CSV
exiftool -csv -CalibrationIlluminant3 -r ./photos > calibration-illuminant3.csv

In Python with Pillow:

from PIL import Image
exif = Image.open("photo.jpg").getexif()
value = exif.get(0xcd31)  # CalibrationIlluminant3
print(value)

Frequently asked questions#

What is the EXIF tag ID of CalibrationIlluminant3?

0xcd31 (52529 decimal), in the IFD0 directory.

How do I see CalibrationIlluminant3 in a photo?

Run exiftool -CalibrationIlluminant3 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