EXIF tag · ExifIFD

ApertureValue

Aperture in APEX units.

0x9202
Tag ID (37378 decimal)
ExifIFD
IFD / group
rational64u
Data type
EXIF
Table

What ApertureValue means#

Aperture in APEX units.

Read, write and remove it#

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

In Python with Pillow:

from PIL import Image
exif = Image.open("photo.jpg").getexif()
value = exif.get_ifd(0x8769).get(0x9202)  # ApertureValue
print(value)

Other ExifIFD tags#

Frequently asked questions#

What is the EXIF tag ID of ApertureValue?

0x9202 (37378 decimal), in the ExifIFD directory.

How do I see ApertureValue in a photo?

Run exiftool -ApertureValue 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