How to View EXIF Data on an Olympus E-M10

Start with the correct E-M10 generation and file

This workflow is for inspecting an original Olympus OM-D E-M10 JPEG. Mark II, Mark III and later bodies are separate models: check the recorded Model and the matching manual rather than assuming every generation writes identical metadata. We have not verified this article against an original E-M10 sample.

The original E-M10 manual describes RAW files with the ORF extension and RAW+JPEG recording. If you have a paired capture, use its JPEG in the browser and keep the ORF as the original RAW. ORF parsing is not a verified workflow in this web tool; changing its extension to JPG does not convert it.

Inspect an original JPEG

Inspect a JPEG step by step

1. Copy the photo from the memory card. Keep a separate untouched copy.
2. Open the viewer and select the JPEG. Inspect the camera fields for Make, Model and any lens information.
3. Compare exposure time, aperture and ISO together. A short exposure alone does not explain noise or sharpness.
4. Check the capture time against your recollection and the camera clock; it is not necessarily UTC.
5. Export JSON to save the fields returned by the reader. Missing information can reflect either the file or the reader’s capabilities.

E-M10 field checklist

The values below illustrate how to read fields; they are not measurements from a tested E-M10 image.

Field	How to use it	Caution
Make / Model	Check brand and exact generation	Editable metadata is not proof of origin
LensModel	Compare the recorded lens with your equipment	An absent name does not prove that no lens was attached
ExposureTime	1/125 s, for example, is a single exposure duration	Not a shutter actuation count
FNumber / ISO	Review aperture and sensitivity together	These do not by themselves explain image quality
FocalLength	Read the recorded focal length in mm	Do not substitute it for a 35 mm-equivalent field
DateTimeOriginal	Compare the camera’s recorded time	Clock settings and missing timezone information matter
Orientation	Check display rotation	This is not the camera model or exposure
Software	Read the firmware/software identifier	Its presence does not prove post-processing
MakerNote	Inspect any returned vendor data	Raw bytes do not provide a verified lifetime shutter count

Compare an original and an exported copy

Read the original JPEG first, then a copy exported by your editing app. Export JSON for each and compare Model, DateTimeOriginal, lens, GPS and Software. Keep the two reports named separately.

A field present only in the original shows a difference between those files, not why it changed. If both reports lack a field, do not assume the camera never recorded it: a second reader can help distinguish a file limitation from a parser limitation. EXIF alone is not an authenticity certificate.

For an ORF or a second opinion, use a local metadata reader. With ExifTool installed, this command only reads the named file:

exiftool -a -G1 -s "photo.ORF"

Before publishing the image

Inspect actual GPS, serial, author and time fields rather than assuming a dedicated camera file contains no private data. Use the metadata remover on a copy if needed, then reopen the downloaded file in the viewer. JPEG cleaning re-encodes the image; retain the original. Visible faces, signs and locations in the pixels are not removed.

References and scope

See the original E-M10 instruction manual for recording formats, and the ExifTool reading documentation for the local command. This guide does not claim tested ORF browser support, complete vendor-field decoding or lifetime shutter-count detection.