Subject Distance
The focus distance in metres, if the lens reports it.
- EXIF tag ID
- 0x9206
- Group
- Exposure
- Example
- 1.35 m · 4294967295 (infinity)
- Editable in EXIF Viewer
- Yes
What iPhone writes
Not written in EXIF (depth is in Apple's own metadata).
What dedicated cameras write
Written by lenses with distance encoders; often approximate.
How to view Subject Distance 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.
- F-Number (Aperture) — The lens aperture as an ƒ-stop. Smaller numbers mean a larger opening: more light and shallower depth of field.