EXIF tag · SubIFD

CFARepeatPatternDim

The CFARepeatPatternDim tag stored in the SubIFD directory.

0x828d
Tag ID (33421 decimal)
SubIFD
IFD / group
int16u!
Data type
EXIF
Table

What CFARepeatPatternDim means#

The CFARepeatPatternDim tag stored in the SubIFD directory.

Read, write and remove it#

# read
exiftool -CFARepeatPatternDim photo.jpg
# write
exiftool -CFARepeatPatternDim="…" photo.jpg
# remove
exiftool -CFARepeatPatternDim= photo.jpg
# all files in a folder, as CSV
exiftool -csv -CFARepeatPatternDim -r ./photos > cfa-repeat-pattern-dim.csv

In Python with Pillow:

from PIL import Image
exif = Image.open("photo.jpg").getexif()
value = exif.get(0x828d)  # CFARepeatPatternDim
print(value)

Frequently asked questions#

What is the EXIF tag ID of CFARepeatPatternDim?

0x828d (33421 decimal), in the SubIFD directory.

How do I see CFARepeatPatternDim in a photo?

Run exiftool -CFARepeatPatternDim 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