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EXIF Viewer by

Focal Length in 35mm Format

The focal length converted to a full-frame equivalent so different sensor sizes can be compared.

EXIF tag ID
0xA405
Group
Exposure
Example
24 mm (iPhone main) · 13 mm (ultra-wide) · 150 mm (100 mm on APS-C)
Editable in EXIF Viewer
Yes

What iPhone writes

Written; this is the number Apple markets (24 mm, 48 mm, 120 mm…).

What dedicated cameras write

Full-frame bodies write the same value as Focal Length.

How to view Focal Length in 35mm Format on iPhone

Open the photo in Photos, tap Share, then View EXIF (EXIF Viewer’s action extension). The field is listed under “Exposure”. Tap Edit to change it, or select several photos in the app to change them all at once. Or drop the photo into the free online EXIF viewer.

Related tags

  • Focal Length — The lens focal length in millimetres at the moment of capture, not adjusted for sensor size.