Maker Note
A manufacturer-specific block with hundreds of proprietary fields: shutter count, focus points, lens ID, picture style, noise reduction, firmware details.
- EXIF tag ID
- 0x927C
- Group
- Maker notes
- Example
- Nikon: ShutterCount 48213 · Canon: LensType 61182
- Editable in EXIF Viewer
- No (fixed by the image data)
What iPhone writes
Apple writes a maker note with HDR, portrait and computational-photography details.
What dedicated cameras write
The only place to find the shutter count for Nikon, Pentax and many Sony/Canon models.
Privacy
Can include serial numbers and owner name. You can remove this field — or all metadata — with the online remover or the app.
How to view Maker Note on iPhone
Open the photo in Photos, tap Share, then View EXIF (EXIF Viewer’s action extension). The field is listed under “Maker notes”. Or drop the photo into the free online EXIF viewer.
Related tags
- Shutter Count — How many times the mechanical shutter has fired — the 'mileage' of a camera. Not a standard EXIF tag; stored in maker notes by some brands.
- Body Serial Number — The camera body's serial number.