If you have anything but an original raw or jpeg from the camera, then makers notes are likely gone.
Photo processing software often will copy exif (and iptc) to edited images. So it should be no surprise that photo software handles standardized exif and non-standard makernotes differently. Not all manufacturers load all exif fields, but for those that they do load, they follow a standard field designation and data format. Either way the key point is not standardized.Įxif (current version 2.3) is an informal "industry standard" format. Sometimes makernotes are described as a different category of metadata from exif (for example in exiftool) and sometimes as a subset of exif that is not part of the standard. They are in a category of metadata called "maker notes" that is unique to each manufacturer, and sometimes varies from model to model. These fields were never in exif in the first place, at least not in the industry standard exif. Maybe a little more detail may help understanding why. Like some of you discovered, practically any software for importing/exporting/whatever will destroy this part of the exif.Ībsolutely correct. To get a result, you must provide an ORIGINAL RAW, CRAW or JPEG directly from the camera.
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