EXIF tag · ExifIFD

ExposureTime

The shutter speed used, stored as a fraction of a second (e.g. 1/250).

0x829a
Tag ID (33434 decimal)
ExifIFD
IFD / group
rational64u
Data type
EXIF
Table

What ExposureTime means#

The shutter speed used, stored as a fraction of a second (e.g. 1/250).

Read, write and remove it#

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

In Python with Pillow:

from PIL import Image
exif = Image.open("photo.jpg").getexif()
value = exif.get_ifd(0x8769).get(0x829a)  # ExposureTime
print(value)

Other ExifIFD tags#

Frequently asked questions#

What is the EXIF tag ID of ExposureTime?

0x829a (33434 decimal), in the ExifIFD directory.

How do I see ExposureTime in a photo?

Run exiftool -ExposureTime 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

Last posts

  1. Should You Carry Extra Lens Caps? Why Spares Save Shoots
  2. Best Gifts for School Photography Teachers by Budget
  3. Best Gifts for Photographers When You Don't Know Their Camera
  4. The Most Dependable Way to Back Up Family Photos
  5. Who Needs a Dedicated Photo Printer at Home
  6. Are Large Cleaning Kits Better Than Basic Sets
  7. Do You Need a Macro Focusing Rail in the Field
  8. Do You Need a Heated Lens Wrap for Aurora Photography
  9. Does an Extended Warranty Cover Accidental Drops
  10. Do Padded Camera Straps Actually Stop Neck Pain