EXIF tag · ExifIFD

ShutterSpeedValue

Shutter speed in APEX units (log₂).

0x9201
Tag ID (37377 decimal)
ExifIFD
IFD / group
rational64s
Data type
EXIF
Table

What ShutterSpeedValue means#

Shutter speed in APEX units (log₂).

Read, write and remove it#

# read
exiftool -ShutterSpeedValue photo.jpg
# write
exiftool -ShutterSpeedValue="…" photo.jpg
# remove
exiftool -ShutterSpeedValue= photo.jpg
# all files in a folder, as CSV
exiftool -csv -ShutterSpeedValue -r ./photos > shutter-speed-value.csv

In Python with Pillow:

from PIL import Image
exif = Image.open("photo.jpg").getexif()
value = exif.get_ifd(0x8769).get(0x9201)  # ShutterSpeedValue
print(value)

Other ExifIFD tags#

Frequently asked questions#

What is the EXIF tag ID of ShutterSpeedValue?

0x9201 (37377 decimal), in the ExifIFD directory.

How do I see ShutterSpeedValue in a photo?

Run exiftool -ShutterSpeedValue 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

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